Article Truth From Language and Truth From Fit: The Impact of Linguistic Concreteness and Level of Construal on Subjective Truth Personality and Social Psychology Bulletin 36(11) 1576–1588 © 2010 by the Society for Personality and Social Psychology, Inc Reprints and permission: sagepub.com/journalsPermissions.nav DOI: 10.1177/0146167210386238 http://pspb.sagepub.com Jochim Hansen1 and Michaela Wänke2 Abstract In four experiments, the impact of concreteness of language on judgments of truth was examined. In Experiments 1 and 2, it was found that statements of the very same content were judged as more probably true when they were written in concrete language than when they were written in abstract language. Findings of Experiment 2 also showed that this linguistic concreteness effect on judgments of truth could most likely be attributed to greater perceived vividness of concrete compared to abstract statements. Two further experiments demonstrated an additional fit effect: The truth advantage of concrete statements occurred especially when participants were primed with a concrete (vs. abstract) mind-set (Experiment 3) or when the statements were presented in a spatially proximal (vs. distant) location (Experiment 4). Implications for communication strategies are discussed. Keywords truth, language, concreteness, abstractness, mind-set, distance Received October 14, 2009; revision accepted July 2, 2010 Distinguishing truth from lie, reality from illusion, fact from fiction, and likely outcomes from unlikely ones is an important adaptive skill in mastering one’s environment and social interactions. Not surprisingly, this topic has been addressed by research in various areas of psychology, such as reality monitoring, memory research, lie detection, and estimating risk, among others. One point that can be distilled from these different bodies of literature is that the concreteness of mental representations is positively related to their estimated realness or truth. In the present research, we pursue two goals. First, whereas concreteness in previous research primarily refers to the richness of detail, the present research goes one step further and demonstrates that manipulating concreteness with purely linguistic cues may affect truth judgments. Language is one of the main channels of social communication. Thus, linguistic influences on judgments of truth may be very insightful. As a second goal, the present research tests how the concreteness level of linguistic phrasings interacts with conditions that otherwise affect level of mental construal. Specifically, we suggest that a match of the linguistic concreteness and the level of construal increases subjective truth. Concreteness and Truth According to the American Heritage Dictionary of the English Language, concrete means “actual” or “existing in reality,” whereas abstract is defined as “apart from concrete existence” (Houghton Mifflin, 2000). Indeed, several lines of research suggest that the concreteness of a mental representation may be related to its perceived truth. Research on reality monitoring, for instance, identified which cues people use to distinguish memories of real experiences and events from imaginations and construed memories (for reviews, see Johnson, 2006; Johnson, Hashtroudi, & Lindsay, 1993; Johnson & Raye, 1981). Among these cues are the richness of perceptual, semantic, and contextual details and the vividness of the memory. With more vivid details, people classify their memories as more likely real instead of imagined (Schooler, Gerhard, 1 New York University, New York, NY, USA University of Basel, Basel, Switzerland 2 Corresponding Author: Jochim Hansen, New York University, Department of Psychology, 6 Washington Place, New York, NY 10003 Email: [email protected] Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1577 Hansen and Wänke & Loftus, 1986). Apparently, people conclude that if information seems so real, it must be real. Likewise, research on deception suggests not only that lies are often shorter and less detailed than truthful answers (DePaulo et al., 2003) but also that people seem to be aware of this fact, as they believe that truthful answers have greater detail than lies (e.g., Akehurst, Köhnken, Vrij, & Bull, 1996; DePaulo, Rosenthal, Rosenkrantz, & Green, 1982; Vrij, 2008; Vrij, Evans, Akehurst, & Mann, 2004). For example, police officers reported that they use the amount of detail and the description of concrete feelings in a testimony as cues to its credibility (Akehurst et al., 1996). Similarly, vivid prosecution arguments led to judging a defendant as more likely guilty than dull arguments (and vice versa for defense arguments), although the essential content of the arguments did not differ (Reyes, Thompson, & Bower, 1980). Research from the judgment and decision literature also suggests that vividly described information has more impact on judgments than merely giving raw facts (Borgida & Nisbett, 1977). Detailed scenarios (e.g., a nuclear war between the United States and Russia triggered by the actions of a third country such as Iraq, Libya, Israel, or Pakistan) are often judged as more likely than less detailed scenarios (e.g., a nuclear war between the United States and Russia; Plous, 1993). Tversky and Kahneman (1982) phrase this as follows: “As the amount of detail in a scenario increases . . . its representativeness and hence its apparent likelihood may increase” (p. 98). Finally, construal level theory (Liberman & Trope, 2008; Trope & Liberman, 2000, 2003, 2010) proposes an association between the probability of an event and the concreteness of its construal. Likely events are more strongly related to direct experience and thus represented concretely and in rich detail. Unlikely events are not often experienced—if they are experienced at all. Thus, people lack information about specific aspects and details here, and therefore unlikely events are represented on a more abstract level (Todorov, Goren, & Trope, 2007; Wakslak & Trope, 2009; Wakslak, Trope, Liberman, & Alony, 2006). Taken together, there is converging evidence that the perceived likelihood, realness, and truth of a mental representation is linked to the level of its concreteness. Yet previous research varied the concreteness of descriptions by varying the content, such as adding details. Descriptions may, however, also vary in linguistic concreteness in rather subtle ways. This aspect of concreteness has not been studied in the context of truth judgments but is obviously relevant. Thus, the first goal of the present research is to investigate the effect of purely linguistic cues whereby varying only the description of the content but not the content itself. We suggest that when a statement is expressed in a concrete language, it will be rated as more probably true than when it is expressed in an abstract language. The Linguistic Concreteness Effect Verbal descriptions differ in the level of linguistic concreteness versus abstractness, as has been proposed in the linguistic category model (LCM; Semin & Fiedler, 1988, 1991; for reviews see Fiedler, 2008; Semin, 2008). The LCM distinguishes among several word classes that can be located on the concreteness–abstractness dimension. The most concrete words are descriptive action verbs that refer to specific behaviors in specific situations and describe an objective physical reality. There is almost no element of interpretation apparent here (e.g., to write, to count). Interpretive action verbs are more abstract and leave more room for interpretation, as they describe a whole class of behaviors, but they still refer to specific action episodes (e.g., to help, to insult). On the next level are state verbs that describe enduring states and cannot be observed (e.g., to hate, to love). Finally, adjectives are the most abstract word class. They abstract from the behavior and describe long-lasting characteristics. In addition, passive voice is usually thought of as more abstract than active voice. Originally, the LCM was developed within the realm of person perception. Most of the relevant work investigates the effects of the description of a person’s behavior in abstract versus concrete terms on how this person is perceived by others. For example, the LCM has been used as a framework to study stereotyping (Maass, 1999), courtroom language (Schmid & Fiedler, 1998), and personnel selection (Rubini & Menegatti, 2008). In the present research, we applied the model to judging the truth of trivia statements. Based on the link between concreteness and perceived realness of events and the link between concreteness and linguistic forms, we propose that the very same contents will be judged as more probably true when written in concrete language than when written in abstract language. To give an example, the statement “The poet Gotthold Ephraim Lessing wrote the play Miss Sara Samson” is more concrete and thus will possibly be rated as more probably true than the phrasing of the same fact as “The play Miss Sara Sampson is by the poet Gotthold Ephraim Lessing.” There are several possible and not mutually exclusive reasons why mere linguistic concreteness may influence perceived truth. First, concrete words are recognized faster (Bleasdale, 1987; de Groot, 1989; Kroll & Merves, 1986), and therefore concrete statements may be easier to process and to understand than abstract statements. If this is the case, perceived comprehensibility may contribute to a truth advantage of concrete statements. Indeed, it has been shown that judgments of truth can be influenced by the fluency of cognitive processing of the information (e.g., Hansen, Dechêne, & Wänke, 2008; Parks & Toth, 2006; Reber & Schwarz, 1999; Unkelbach, 2007; for a review, see Dechêne, Stahl, Hansen, & Wänke, 2010). Second, concrete statements are more “imageable” than abstract statements (Semin & Fiedler, 1988, 1991), and imageability correlates with easier recall from Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1578 Personality and Social Psychology Bulletin 36(11) memory (Paivio, 1969). Indeed, it has been shown that concrete words can be easier remembered than abstract words (ter Doest & Semin, 2005). Insofar as participants have overlearned this association between concreteness and memory, concrete statements may cause the impression of having been encountered before. This subjective impression of familiarity may contribute to the truth advantage of concrete statements (e.g., Begg, Anas, & Farinacci, 1992). Third, imageability itself is a source of perceived realness or truth. The ease with which one can vividly imagine or mentally simulate an event influences how likely it seems (e.g., Carroll, 1978; Garry, Manning, Loftus, & Sherman, 1996; Gregory, Cialdini, & Carpenter, 1982; Koehler, 1991; Sherman, Cialdini, Schwartzman, & Reynolds, 1985), which is precisely why more detailed descriptions seem more real (e.g., Johnson et al., 1993; Johnson & Raye, 1981) or probable (Tversky & Kahneman, 1982). Given that linguistic concreteness correlates with imageability (Semin & Fiedler, 1988, 1991), we may therefore expect an effect of concreteness on perceived truth. We tested the basic hypothesis of increased truth ratings for linguistically more concretely phrased statements in Experiments 1 and 2. In addition, Experiment 2 sought to shed some light on the underlying mechanism. Fit Between Language and Conditions That Promote Concrete Versus Abstract Thinking Concrete descriptions may be easier to comprehend, to recall, and to imagine. These aspects may increase their perceived truth. However, the processing of statements and the construal of mental representations are also influenced by other factors besides the way the information is linguistically described. For example, psychological proximity (distance) of an event enhances the ease of mentally construing concrete (abstract) information about the event (Herzog, Hansen, & Wänke, 2007). Thus, processing of concrete information is facilitated in situations that promote concrete construals and is more difficult in situations that promote abstract construals, and vice versa. Such feelings of fit may translate into truth judgments. Based on previous research, we propose that the manipulation of spatial distance (Fujita, Henderson, Eng, Trope, & Liberman, 2006; Henderson, Fujita, Trope, & Liberman, 2006) or the current mind-set (Freitas, Gollwitzer, & Trope, 2004; Wakslak & Trope, 2009)—both factors that affect the level of mental representations—may interact with the linguistic concreteness of statements. Specifically, there is evidence that people gain “value from fit” between information processed and mind-set (Higgins, 2000; Higgins, Idson, Freitas, Spiegel, & Molden, 2003). For example, Semin and colleagues (Semin, Higgins, Gil de Montes, Estourget, & Valencia, 2005) demonstrated that persuasive messages that were written in an abstract or concrete language affect behavioral intentions more strongly when the concreteness level of the message matched participants’ motivational focus, which is related to level of construal (Förster & Higgins, 2005). Analogously, Experiments 3 and 4 tested whether a match between linguistic concreteness and level of mental construal promotes perceived truth. Experiment 1 In the initial experiment, we first tested the linguistic concreteness effect. Participants were asked to rate the truth of 52 statements, each phrased abstractly and concretely. To repeat, we hypothesized that the concrete versions would be judged as more probably true than the abstract versions while the content is held constant. Method Participants and design. In exchange for course credit, 46 undergraduate psychology students (34 female, 11 male, 1 unspecified) took part in this study. They were randomly assigned to a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (control factor: Set A vs. Set B) mixed design with the first two factors varied within participants and the last factor varied between participants. Age ranged between 20 and 42 years (M = 22.6, SD = 4.38). Gender was counterbalance in this and all subsequent experiments. As the dependent measure we collected the subjective truth of the statements. Materials. We used 52 statements from a wide variety of topics (science, the arts, history, geography, politics, general knowledge). Half of the statements were actually true, half actually false. All statements had been pretested to ensure that they were relatively ambiguous with regard to their subjective truth. From each of these statements, we created a concrete and an abstract version, according to the LCM (Semin & Fiedler, 1988, 1991). Table 1 provides some examples of the statements. For instance, in the first example, “writing” is much more concrete (i.e., a descriptive action verb) than the characteristic “is by,” which could be regarded as a state or a stable characteristic. We took great care that the content of the two phrasings was equal for each statement, that they were equally common in the language in which the study was conducted, and that they had about the same length (t < 1). To verify that the two versions indeed differed in level of concreteness, four raters coded the statements according to the LCM (1 = most concrete to 4 = most abstract word class). To do so, the 52 abstract and 52 concrete phrasings were divided into two sets, A and B, of 26 concrete and 26 abstract phrasings each. Each content statement appeared only once in each set, in its either abstract or concrete form. Each set was coded by two raters. The two ratings correlated highly, r = .75, p < .001 (N = 52) for Set A, and r = .91, p < .001 (N = 52) for Set Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1579 Hansen and Wänke Table 1. Examples of the Trivia Statements in Their Abstract and Concrete Phrasings Example 1 2 3 4 Concrete version Abstract version The poet C. Dickens wrote the play Miss Sara Sampson. In Hamburg, one can count the highest number of bridges in Europe. The Naab flows into the Danube. The treaty of peace, which brought the German–French war to an end, was signed in Frankfurt. The play Miss Sara Sampson is by the poet C. Dickens. Hamburg is the European record holder concerning the number of bridges. The Naab is a confluent of the Danube. The treaty of peace, which brought the German–French war to an end, was concluded in Frankfurt. The examples are translations into English. All statements are actually true except the first: The author of Miss Sara Sampson is Gotthold Ephraim Lessing. B, and were combined into an index that represented the level of concreteness for the concrete and abstract versions of each statement. A comparison between the abstract and concrete versions revealed that the abstract versions were coded as more abstract (M = 3.25, SD = 0.78) than the concrete versions (M = 2.12, SD = 0.83), F(1, 51) = 53.579, p < .001, h2 = .51, as intended. This difference did not interact with the set or with actual truth, Fs < 1. Procedure. The study was run as a questionnaire study in an introductory psychology class. The participants were provided with one of two versions of a questionnaire (Set A or Set B) that contained 26 abstract and 26 concrete statements in one fixed random order. Those statements that were presented in their abstract form in one set were presented in their concrete form in the other, and vice versa. This procedure allowed us to control for the content of the statements because all content statements were presented in a concrete and an abstract version across participants. Half of the statements in the questionnaires were actually true and half were actually false. The participants were asked to judge the truth of each statement on a scale ranging from 1 (definitively false) to 6 (definitively true). Afterward, some demographical data were collected, and the participants were thanked, debriefed, and given credit. Results and Discussion Participant-based analysis. The truth ratings were analyzed with a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (set: A vs. B) analysis of variance (ANOVA) with the first two factors being withinparticipant factors. This analysis revealed a main effect of concreteness. Statements were judged as more probably true when they were written in concrete language (M = 3.58, SD = 0.45) than when they were written in abstract language (M = 3.45, SD = 0.40), F(1, 44) = 10.261, p = .003, h2part = .19. This main effect was independent of the set and of actual truth, Fs < 1; nor did we find a three-way interaction, F(1, 44) = 1.284, p > .26. The main effect of actual truth was not significant, F < 1. Item-based analysis. Each statement was presented in its concrete and in its abstract version. Therefore, we were able to conduct an additional analysis with aggregating across participants and using the 52 statements as subjects of the analysis. Truth ratings were analyzed with a within-item single-factor ANOVA (concreteness of statements: concrete vs. abstract). In line with the participant-based analysis, this item-based analysis revealed that the same content was judged as more probably true when it was presented in a concrete version (M = 3.58, SD = 0.39) compared to an abstract version (M = 3.45, SD = 0.33), F(1, 51) = 3.158, p = .041, h2part = .058 (one-tailed). Given that the concreteness coding represents a continuous variable (see the Materials section), we were also able to conduct a more refined analysis. For each item, the difference between the concreteness ratings of the concrete and the concreteness ratings of the abstract version was calculated. This score indicates to what extent the concrete version was judged to be more concrete than the abstract version. This difference in concreteness correlated significantly with the respective difference in the truth judgments, r(N = 52) = .29, p = .038, corroborating that the more concrete the concrete version was compared to its abstract counterpart, the higher the truth advantage of the concrete version compared to the abstract one. This finding provides further support for our hypothesis that the concreteness of language is associated with judgments of truth. Experiment 2 The purpose of Experiment 2 was to explore possible explanations for the linguistic concreteness effect. As explained above, (a) concrete statements may possibly evoke feelings of familiarity that may be attributed to truth, (b) concrete statements may be easier to comprehend, and this perceived comprehensibility might enhance truth ratings, and (c) concrete descriptions may be imagined more vividly. These stronger feelings of vividness may translate into increased truth ratings for concrete statements. We assessed whether these three variables (i.e., familiarity, comprehensibility, and vividness) are affected by the linguistic concreteness of our test phrases and to what extent they are responsible for the effect of linguistic concreteness on subjective truth. We do not claim that these accounts are mutually exclusive or exhaustive. Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1580 Personality and Social Psychology Bulletin 36(11) Method Next, we conducted separate analyses with the three possible mediators as dependent variables instead of the truth ratings. These analyses revealed that, first, subjective familiarity was not affected by any of the manipulated variables, all Fs < 1 (overall M = 2.35, SD = 0.78, n = 38). Second, linguistic concreteness did not affect ratings of comprehensibility, F < 1. Interestingly, actual truth had a marginal effect on the comprehensibility ratings. False statements were judged as slightly more comprehensible (M = 5.13, SD = 0.57) than true statements (M = 5.05, SD = 0.59), F(1, 32) = 3.399, p = .074, h2part = .096; all other Fs < 1. Third, and most importantly, linguistic concreteness had an effect on perceived vividness. Concrete statements were rated as more vivid (M = 3.76, SD = 0.56) than abstract statements (M = 3.51, SD = 0.73), F(1, 31) = 9.658, p = .004, h2part = .238. No other effect was significant in this analysis, ps > .15. Although we found no effects of concreteness on comprehensibility and familiarity, we cannot rule out that more refined measures may reveal possible effects. Nevertheless, so far the findings suggest that vividness may be the most promising mediator in the concreteness effect. In the item-based analysis below, we therefore concentrated on vividness as mediator. Item-based analysis. As in Experiment 1, we compared the truth ratings of the concrete versions to the truth ratings of the abstract versions, aggregating across participants and using the 52 statements as subjects of the analysis. Replicating the findings of Experiment 1, the statements were judged more probably true when they were presented in the concrete version (M = 3.677, SD = 0.54) than when they were presented in the abstract version (M = 3.501, SD = 0.36), F(1, 50) = 4.400, p = .04, h2part = .081. This effect was independent of actual truth, F < 1. A comparable finding emerged when using the vividness ratings as dependent variable. The concrete versions of the statements were judged as more vivid (M = 3.76, SD = 0.61) than the abstract version of the statements (M = 3.51, SD = 0.53), F(1, 50) = 4.837, p = .033, h2part = .088. Again, the effect was independent of actual truth, F < 1. To test whether perceived vividness mediates the effect of manipulated concreteness on truth judgments, we calculated the difference between the average truth rating of the concrete version and the average truth rating of the abstract version for each statement, as in Experiment 1. This score indicates to what extent the concrete version was judged to be more probably true than the abstract version. In addition, we calculated the difference between the vividness ratings of the concrete and the vividness ratings of the abstract version. This score indicates to what extent the concrete version was judged to be more vivid than the abstract version. To test the mediation (cf. Baron & Kenny, 1986), we regressed these scores on the difference in the prerated concreteness between the concrete and the abstract versions of the statements (see the Materials section of Experiment 1). Consistent with the analysis reported above, we found that differences in concreteness predicted differences in subjective truth, b = .301, R2 = .091, p = .03. Participants and design. In exchange for course credit and an additional option to three times win $100, 103 undergraduate psychology students (81 female, 22 male) took part in this study. They were randomly assigned to a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (control factor: Set A vs. Set B) × 3 (mediator: familiarity vs. comprehensibility vs. vividness) mixed design with the first two factors varied within participants and the last two factors varied between participants. Age ranged between 19 and 38 years (M = 22.25, SD = 3.6). For each statement, we collected ratings of one of the three possible mediator variables and ratings of the subjective truth as the dependent variables. Materials and procedure. Participants were provided with the same materials as in Experiment 1. Participants were asked to judge the truth of 26 concrete and 26 abstract statements on a scale ranging from 1 (definitively false) to 6 (definitively true). In addition, prior to each truth rating, participants were asked to rate each statement on one of the following three dimensions. One group of participants was asked to rate to what degree the statements seem familiar to them on a scale from 1 (definitely never heard before) to 6 (definitely heard before). A second group was asked how easily the statements could be understood on a scale for 1 (not comprehensible at all) to 6 (very comprehensible). A third group was asked to judge the vividness of the statements on a scale from 1 (not vivid at all) to 6 (very vivid). At the end, some demographical data were collected and the participants were thanked, debriefed, and given credit. Results and Discussion Participant-based analysis. The truth ratings were analyzed with a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 3 (tested mediator: familiarity vs. comprehensibility vs. vividness) ANOVA with the first two factors varied within participants. This analysis revealed a main effect of concreteness. Replicating Experiment 1, statements were judged as more probably true when they were written in concrete language (M = 3.61, SD = 0.49) than when they were written in abstract language (M = 3.51, SD = 0.42), F(1, 100) = 8.762, p = .004, h2part = .081. This main effect was independent of actual truth, and it did not depend on which additional variable was assessed (i.e., which mediator was tested), Fs < 1. The only further effect that emerged was a main effect of the tested mediator, F(2, 100) = 7.319, p = .001, h2part = .128. Participants who were first asked to judge their familiarity with the statements rated them as less probably true (M = 3.36, SD = 0.41) than participants who first rated comprehensibility (M = 3.73, SD = 0.45), t(69) = 3.673, p < .001, or vividness (M = 3.58, SD = 0.38), t(68) = 2.345, p = .023. Apparently, when attention was concentrated on lack of familiarity, truth ratings were attenuated. All other Fs < 1. Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1581 Hansen and Wänke Differences in concreteness predicted differences in perceived vividness as well, b = .353, R2 = .124, p = .01. When simultaneously entering concreteness and vividness differences into a regression analysis to predict differences in truth judgments, the overall regression was significant (R2 = .164), F(2, 49) = 4.821, p = .012, and differences in vividness significantly predicted differences in truth ratings as expected, b = .29, p = .043. Furthermore, the direct relationship between differences in concreteness and differences in truth was no longer significant, b = .199, p = .16 (Sobel’s z = 1.91, p = .056). This finding suggests that the linguistic concreteness effect on subjective truth may relate to differences in perceived vividness of the concrete versus the abstract phrasings. Experiment 3 In Experiment 3, we tested whether a fit between linguistic concreteness and a person’s level of mental construal affects truth ratings in addition to the truth advantage of concretely phrased statements. Therefore, we primed a concrete versus an abstract mind-set before participants judged the truth of concrete and abstract statements. We thereby created conditions of match versus mismatch between linguistic style and level of mental construal. As explained above, previous work has shown that people gain “value from fit” between task demands and mind-set (Förster & Higgins, 2005; Higgins, 2000; Higgins et al., 2003; Semin et al., 2005). Based on this work, we expected that when participants read statements written in a language that matches their current mind-set, they may “feel right” about the harmonious processing of the statements and consequently would judge them as more probably true compared to a situation in which the concreteness level is at odds with their current mind-set. Method Participants and design. In exchange for course credit, 102 undergraduate students (82 female, 20 male) took part in this study. They were randomly assigned to a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (set: A vs. B) × 3 (mind-set: concrete vs. control vs. abstract) mixed design with the first two factors varied within participants and the last two factors varied between participants. Age ranged between 19 and 41 years (M = 21.9, SD = 3.69). As the dependent measure we collected the subjective truth of the 52 statements (1 = definitively false to 6 = definitively true). Materials and procedure. The study was run as a questionnaire study in an introductory psychology class. First, participants completed a mind-set priming manipulation, developed by Freitas et al. (2004). Participants in the abstract mind-set condition were asked to consider in four successive steps why they would engage in an activity. They were presented with a diagram of vertically aligned boxes that began at the bottom of the page and were connected by upward arrows labeled Why? (see Freitas et al., 2004). The box at the very bottom of the diagram was filled in with the statement, “Maintain good physical health.” Participants were instructed to insert a response in the box immediately above the bottom box, answering the question of why they would maintain good physical health. After inserting their first answer, they were to insert a second response in the box immediately above the box they had just completed answering the question why they would engage in their initial response. For example, a participant might have answered the question, “Why do I maintain good physical health?” by writing, “To be strong.” The diagram would then prompt him or her to ask himself or herself, “Why do I want to do be strong?” On completing that answer, participants were then prompted again by the diagram to ask themselves why they might engage in their response. Participants provided four responses in this manner. In contrast, participants assigned to the concrete mind-set condition were directed to consider in four successive steps how they would engage in the same activity. As with the abstract mind-set condition, participants were presented with a diagram of vertically aligned boxes. These boxes, however, began at the top of the page and were connected by downward arrows labeled How? The box at the top of the diagram was filled in with the statement, “Maintain good physical health.” Participants were instructed to insert a response in the box immediately below the top box, answering the question of how they would maintain good physical health. After providing their first answer, the diagram prompted participants to insert a second response in the box immediately below, asking themselves how they would engage in their initial response. For example, participants might have responded to the question, “How do I maintain good physical health?” by writing, “Go exercise.” The diagram would then prompt them to ask, “How does one go exercise?” On completing a second response, the diagram would then prompt them again to ask how they would engage in their second response. As with the abstract mind-set manipulation, participants provided four responses. Previous research has demonstrated that considering questions of why is effective in priming an abstract mind-set, whereas considering questions of how is effective in priming a concrete mind-set (Freitas et al., 2004; Wakslak & Trope, 2009). An additional control group was not primed. Next, the participants were asked to judge the truth of 26 concrete and 26 abstract statements, as in Experiment 1. They were provided with one of the two versions of the questionnaire that was used in Experiment 1 (i.e., Set A or Set B) and that contained 26 abstract and 26 concrete statements in one fixed random order (half actually true, half actually false). The participants were asked to judge the truth of each statement on a scale ranging from 1 (definitively false) to 6 (definitively true). At the end, some demographical data were collected and the participants were thanked, debriefed, and given credit. Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1582 Personality and Social Psychology Bulletin 36(11) Results and Discussion Participant-based analysis. The truth ratings were analyzed with a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (set: A vs. B) × 3 (mind-set: concrete vs. control vs. abstract) ANOVA with the first two factors being within-participant factors. Again, the concreteness effect was replicated. Overall, concrete statements were judged as more probably true (M = 3.63, SD = 0.35) than abstract statements (M = 3.55, SD = 0.33), F(1, 96) = 5.642, p = .02, h2part = .056. In addition to the main effect of linguistic concreteness, we also found the predicted interaction between concreteness and mind-set priming, F(2, 96) = 4.544, p = .013, h2part = .086. Figure 1 depicts the condition means. This interaction was independent of actual truth and of stimulus set, ps > .20. The main effects of truth, p > .22, and the main effect of mind-set, p > .51, were not significant. To examine this 3 × 2 interaction more closely, we corrected the means that define the interaction for the main effects of the conditions, as suggested by Rosnow and Rosenthal (1989, 1995, 1996). These residual means for the interaction confirmed the predicted pattern of a fit effect. Truth ratings were positively affected when participants rated concrete statements in a concrete mind-set (residual M = +0.06, SD = 0.33) or abstract statements in an abstract mind-set (residual M = +0.06, SD = 0.30). In contrast, truth ratings were negatively affected when participants rated concrete statements in an abstract mind-set (residual M = –0.06, SD = 0.37) or abstract statements in a concrete mind-set (residual M = –0.06, SD = 0.36). The control group ranged in between and showed no fit effect, as could be expected because no mind-set was primed here (residual Mconcrete statement = 0.00, SD = 0.34; residual Mabstract statement = 0.00, SD = 0.30). Item-based analysis. As in Experiments 1 and 2, we analyzed the truth ratings aggregating across participants and using the 52 statements as subjects of the analysis. Truth ratings were analyzed with a 3 (mind-set: concrete vs. control vs. abstract) × 2 (concreteness of statements: concrete vs. abstract) ANOVA with all factors varied within items. Replicating the findings of Experiment 1, over all conditions the statements were judged more probably true when they were presented in the concrete version than when they were presented in the abstract version, F(1, 51) = 2.773, p = .05, h2part = .052 (one-tailed). More importantly, as expected we found a significant interaction, replicating the fit effect in this analysis, F(2, 102) = 3.295, p = .041, h2part = .061. A match of the linguistic phrasing and the participants’ mind-set had a positive effect on perceived truth whereas a mismatch had a negative effect. As in Experiments 1 and 2, we correlated the difference in concreteness between the concrete and the abstract versions of the statements with the difference in the truth judgments of the concrete and the abstract versions. We found a significant positive correlation in the concrete mind-set condition, Figure 1. Subjective truth as a function of the primed mind-set and the concreteness of the presented statements in Experiment 3 (± 1 SE) The mean truth score ranged from 1 to 6; higher values indicate more subjective probability of truth. r(N = 52) = .46, p = .001, indicating that in this condition concreteness was used as a basis for the truth judgments. The correlation was smaller in the control group, r(N = 52) = .17, p = .23, and in the abstract mind-set group, r(N = 52) = .14, p = .32. The findings provide support for the hypothesis that the current mind-set interacts with linguistic concreteness. This fit effect operated on top of the linguistic concreteness effect. A concrete mind-set augmented the concreteness effect, whereas an abstract mind-set promoted truth ratings for abstract statements. Although previous research showed the value-from-fit effect with different tasks, this finding is the first evidence for truth from fit. Experiment 4 So far, the findings have demonstrated that concretely phrased statements are more likely to be judged as true than abstractly phrased statements. In addition, a fit between language and activated mind-set seems to have a value of its own—a feeling right (Higgins, 2000)—and in the context of truth judgments it generates a feeling of truth. To corroborate this finding, a further context variable that affects level of mental representations was investigated in Experiment 4. Especially, we manipulated the spatial distance in which the statements were presented. Several studies demonstrate that spatial distance is related to level of construal (Fujita, et al., 2006; Henderson et al., 2006). In one study, for example, participants watched a video of two students interacting (Fujita et al., 2006). When participants believed that the interaction was spatially far away, they described it in a more abstract way than when they believed that the interaction took place at a spatially proximal location. Given the relationship between spatial proximity (distance) and concreteness Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1583 Hansen and Wänke (abstractness) of representation, we proposed that spatial distance has a similar function to a directly manipulated concrete versus abstract mind-set. We hypothesized that a presentation of the statements in a spatially proximal location would lead to a truth advantage of concrete statements, whereas a presentation at a distant location would bring a truth advantage to abstract statements on top of the overall concreteness effect. To test this idea, we borrowed a design from Bar-Anan and colleagues (Bar-Anan, Liberman, Trope, & Algom, 2007). In their study, pictures that conveyed a spatial distance were shown to the participants. On each picture a word stimulus was presented in a broad green arrow that pointed to either a spatially near or a spatially distant location on the picture. In our fourth experiment, we presented abstract and concrete statements in a near and a distant location. Method Participants and design. In exchange for a coffee voucher, course credit, or $5, 41 students of various majors (22 female, 18 male, 1 did not report gender) took part in this study. They were assigned to a 2 (concreteness of statements: concrete vs. abstract) × 2 (actual truth: true vs. false) × 2 (spatial distance: near vs. far) within-participant design. Age ranged between 19 and 57 years (M = 24.32, SD = 6.16). As the dependent measure we collected the subjective truth of the statements (1 = definitively false to 6 = definitively true). Materials. The experiment was programmed with E-Prime® software (Schneider, Eschman, & Zuccolotto, 2002). Sixteen different pictures from standard computer screensavers and wallpapers found on the Internet were used to manipulate perceptual depth. All pictures showed a landscape in which a street, an alley, a bridge, or a trail led away from the perceiver into the distance. As in Bar-Anan et al. (2007), broad green vertical arrows were integrated in these scenes that pointed to a spot either in the foreground (near spatial distance) or in the background (far spatial distance; see Figure 2 for an example). The statements were printed in the arrows. Because of this form of presentation, we had to select statements that were short enough to fit the arrows. From the statements of the previous studies we selected 32 items (16 true and 16 false). According to the pilot test (see the Materials section of Experiment 1), the level of abstractness differed between the concrete (M = 1.81, SD = 0.71) and the abstract (M = 3.62, SD = 0.54) versions of these 32 statements, F(1, 30) = 169.258, p < .001, h2part = .85. One false and one true item were randomly assigned to each of the 16 pictures, with the restriction that the content of the pictures was unrelated to the content of the statements. From each of the 32 picture–item combinations, four versions were designed: (a) a version in which the item was phrased abstractly and appeared in the near distance (i.e., no fit), (b) a version in which the item was phrased concretely and Figure 2. Example of the picture stimuli used in Experiment 4 appeared in the near distance (i.e., fit), (c) a version in which the item was phrased abstractly and appeared in the far distance (i.e., fit), and (d) a version in which the item was phrased concretely and appeared in the far distance (i.e., no fit). For each of these four combinations each participant saw 4 true and 4 false items, resulting in 32 picture–item combinations being viewed. Each of the 16 pictures was shown once during the first 16 presentations and once during the second 16 presentations (but each time with a different item). Thus, 8 false and 8 true statements were presented in the first half of the presentation and 8 false and 8 true statements were presented in the second half. The assignment of true and false statements to the pictures resulted in one fixed order of statements for all participants. In addition, we counterbalanced Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1584 Personality and Social Psychology Bulletin 36(11) the order of the combinations of spatial distance and concreteness in the series using eight different Latin squares, so that overall each distance–concreteness combination preceded and followed each other distance–concreteness combination equally often across participants and appeared equally often at each position in the presentation. Procedure. After signing consent, the participants were seated in front of a computer and asked to read the instructions on the screen. Before the start of the main task of the experiment, the 16 different pictures (without statements) were shown to the participants in a fixed order for 2 s each. This was done to familiarize the participants with the picture material so that they could concentrate on the statements in the following main task. For the main task, participants were presented with 32 picture–item combinations (see the Materials section). They rated the truth of each statement on a scale ranging from 1 (definitively false) to 6 (definitively true) by pressing the respective number on the computer keyboard. The pictures with the statements were presented until the participant pressed a key. The next trial followed after a blank screen of 500 ms. Afterward, some demographical data were collected and the participants were thanked, debriefed, and paid. Results and Discussion Participant-based analysis. The truth ratings were analyzed with a 2 (concreteness of statements: concrete vs. abstract) × 2 (spatial distance: near vs. far) × 2 (actual truth: true vs. false) ANOVA with all factors realized within participants. Different from the first three studies, true statements were judged as more probably true (M = 3.61, SD = 0.45) than false statements (M = 3.38, SD = 0.53), F(1, 40) = 5.546, p = .024, h2part = .122, indicating that, on average, the participants of this study were more knowledgeable than the participants of the previous experiments. Perhaps this was because the sample consisted of students of various majors, which increases the probability that some participants recognized whether a statement was actually true or false. Despite this effect of the actual item content, the phrasing of the item also played a role, as concrete statements were judged as more probably true than abstract statements, (Mconcrete statements = 3.57, SD = 0.47, and Mabstract statements = 3.41, SD = 0.44), F(1, 40) = 4.375, p = .043, h2part = .099, replicating the concreteness advantage of the first three experiments. Distance per se had no effect on the truth ratings, F < 1. Importantly, in addition to the main effect of linguistic concreteness, spatial distance interacted with concreteness, F(1, 40) = 5.222, p = .028, h2part = .115 (see Figure 3 for the condition means). This interaction was independent of the actual truth, F < 1. To examine the interaction more closely, we corrected the means that define the interaction for the main effects of the conditions, as suggested by Rosnow and Rosenthal (1989, 1995, 1996). These residual means for the interaction confirmed the predicted pattern. Truth ratings were positively affected when concrete statements had been presented spatially Figure 3. Subjective truth as a function of the spatial distance and the concreteness of the presented statements in Experiment 4 (± 1 SE) The mean truth score ranged from 1 to 6; higher values indicate more subjective probability of truth. near (residual M = +0.09, SD = 0.25) or abstract statements had been presented at a distant location (residual M = +0.09, SD = 0.25). In contrast, truth ratings were negatively affected when participants rated concrete distant statements (residual M = –0.09, SD = 0.25) or abstract near statements (residual M = –0.09, SD = 0.25). The only other effect that emerged was a significant interaction between actual truth and the concreteness of the statements, F(1, 40) = 7.753, p = .008, h2part = .162, indicating that the concreteness effect emerged especially for the actually false statements. False concrete statements were judged as more probably true (M = 3.55, SD = 0.62) than false abstract statements (M = 3.195, SD = 0.64), F(1, 40) = 11.996, p = .001, h2part = .231. True concrete statements did not differ (M = 3.59, SD = 0.61) from true abstract statements (M = 3.62, SD = 0.51), F < 1. Although not predicted, this finding emphasizes that linguistic cues especially play a role in perceptions of truth when the respective knowledge of content is lacking. In Experiments 1–3, we did not find this interaction with actual truth because participants were apparently less knowledgeable with regard to the statements. Further research may investigate the role of knowledge in the linguistic concreteness effect. Item-based analysis. When the data were examined using items as subject of analysis, the main effect of actual truth was replicated, F(1, 30) = 6.282, p = .018, h2part = .173. In addition, the predicted interaction between distance and concreteness was marginally significant, F(1, 30) = 3.979, p = .055, h2part = .117, as was the interaction between actual truth and concreteness, F(1, 30) = 2.889, p = .100, h2part = .088 (all other ps > .12). In sum, concrete statements were judged as more probably true than abstract statements. In addition to the linguistic concreteness effect, a fit effect was found: Although abstract Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1585 Hansen and Wänke statements profited from being presented in the distance, concrete statements profited from being presented in proximity. These findings replicate the results of Experiment 3 regarding the fit between level of mental construal and language with a different manipulation. General Discussion Four experiments found that subtle linguistic properties alone were sufficient to affect truth judgments. Given the very same content, concrete statements were judged as more probably true than abstract statements. This finding extends previous research that suggests that richness in detail affects reliability judgments (e.g., Akehurst et al., 1996; Johnson, 2006). In our studies, no details were added and the statements varied merely in their linguistic properties (Semin & Fiedler, 1988, 1991). Apparently, minor variations in language were sufficient to affect the perceived truth of the statements. The findings of Experiment 2 suggest that perceived vividness may contribute to this effect: Linguistic concreteness makes the described situations more imaginable. Increased imaginability, in turn, causes people to believe the statements with greater likelihood. The findings obviously have a wide range of applications, as we discuss below. In addition to the linguistic concreteness effect, the findings of Experiments 3 and 4 suggest that a match (compared to a mismatch) between linguistic concreteness and the level of mental construal promotes perceived truth as well. Factors that change the likelihood of abstract versus concrete representations interacted with linguistic concreteness in predicting subjective truth. One of these factors is the participants’ current mind-set (Freitas et al., 2004); another is spatial distance (Fujita et al., 2006; Henderson et al., 2006). When participants were in a concrete state of mind or when the statements were presented in proximity, concrete statements were judged as more probably true than abstract statements. In contrast, priming an abstract mind-set or presenting the statements in the distance hampered the concreteness advantage. Here, abstract statements benefitted from a match with the current level of mental construal. Thus, neither concrete nor abstract phrasing was rated as more probably true when one considers both the fit of abstract mind-set and abstract language and the main effect of concreteness on subjective truth. How can the fit effect be explained? We suggest that a fit between concreteness and level of mental construal may have facilitated processing of the statements. Processing of concrete information should be easier in situations that promote concrete construals and should be more difficult in situations that promote abstract construals and vice versa. As processing fluency can influence truth ratings (e.g., Hansen et al., 2008; Parks & Toth, 2006; Reber & Schwarz, 1999; Unkelbach, 2007), subjectively experienced ease could have caused higher truth ratings when mind-set or distance matched the level of concreteness of a statement. Although we have no direct data yet that confirm this speculation, one can imagine that a fit between language and mind-set may have been interpreted as an indicator of the statement’s validity in Experiments 3 and 4. Such an interpretation is in line with other findings that a match between processing style and contextual cues creates a metacognitive feeling, which itself affects the outcome of the processing (Förster & Higgins, 2005; Higgins, 2000; Higgins et al., 2003; Semin et al., 2005). For practical purposes it should be noted, however, that the fit effect was about the same size as the main effect of linguistic concreteness. In our studies, the factors that favored abstract mental construal compensated for the disadvantage of abstract language but did not supersede it. The finding that psychological distance attenuated the effect of a concrete representation of truth judgments may explain findings of previous research. For instance, in the context of lie detection, it was found that information with many details was believed to be true with a higher probability than less detailed information, but only if participants were not suspicious of the communicator (Johnson, Bush, & Mitchell, 1998). To the degree that suspicion can be regarded as psychological distance, a fit between distance and concreteness may have contributed to this finding. Nonsuspicious participants believed the concrete information with a greater likelihood, but suspicious participants believed the abstract (less detailed) information with a greater likelihood. At least one possible limitation of the present findings that should be noted is that the mean differences in the present studies are rather small. One may wonder if such small effects might have any impact in the real world. However, we would like to point out that, first, despite their sizes, the effects are still reliable. When calculating Cohen’s d for the concreteness effect in the four studies, we find small to medium effect sizes of d = .48, d = .30, d = .25, and d = .33, respectively. These effects are in the region of the mean sizes of the classical repetition truth effect, which range around d = .39 (see the meta-analysis by Dechêne et al., 2010). Second, although the effects are small, it is still remarkable that such a slight manipulation as the subtle linguistic variation can account for any variance in subjective truth at all. Given that the statements in our studies did not differ in content but only in language, the present findings are quite amazing. Third, even small effects may nevertheless have an enormous impact in a practical context. For instance, in marketing, convincing even a few thousand consumers (out of millions) that product descriptions are true may be enough to keep a company in business, and in politics, a single vote for the candidate whose statements are believed more may decide an election. Implications The findings of the present research have implications not only in advertising and politics but also in several realms. In Downloaded from psp.sagepub.com at PENNSYLVANIA STATE UNIV on September 16, 2016 1586 Personality and Social Psychology Bulletin 36(11) daily interactions, for instance, concrete communications may be more believable than abstract ones. This idea corresponds nicely to findings of research on deception detection, which demonstrates that people believe truthful communications to be more detailed than lies (e.g., Akehurst et al., 1996; DePaulo et al., 1982; Vrij, 2008; Vrij et al., 2004). However, although the amount of detail is related to level of concreteness, the present research suggests that the level of concreteness is sufficient to affect truth judgment independent of richness of detail. Even if a concrete statement has the same amount of detail as an abstract statement of the same content, people may nevertheless judge it to be more probably true than the abstract statement because they construe the communicated situation more in terms of its low-level, detailed, and contextualized features in the concrete case than in the abstract case. Thus, it may be a good strategy to communicate concretely when others have to be persuaded. Indirect evidence for such a communication strategy can be found in research on the linguistic expectancy bias. Here, it has been shown that people express expected information in more abstract and less detailed language than unexpected information (Wigboldus, Semin, & Spears, 2000). It is just the unexpected information that runs the risk of not being believed by the receiver of the communication. Thus, people may intuitively express the information more concretely to increase the chance that the receiver accepts the information as true. Similarly, when the validity of a statement is challenged by the communication partner, people tend to rephrase it in more concrete terms (Fiedler, Semin, & Bolten, 1989). Other research shows that people use linguistic categories strategically to follow explicit communication goals (e.g., being fair vs. unfair to a target, or enhancing vs. diminishing valence of a target; Douglas & Sutton, 1993). In combination with the present results, a strategic use of linguistic categories in previous research may reflect an attempt to increase recipients’ acceptance of a message. Presumed believability may be a key variable in the strategic use of concrete versus abstract language in persuasion and communication. This analysis is especially important in applied contexts such as in eyewitness testimonies, therapists’ listening to clients, or framing of news in the media. In all these areas, concretely phrased statements may be more readily believed than abstractly phrased statements. For instance, a witness or defendant in a law trial can increase his or her credibility by using very concrete language. The differentiation between concrete and abstract language is particularly crucial for expert witnesses, who are often in jeopardy of using abstract technical language but whose credibility judgments are often decisive for the outcome of trials. To increase their credibility, expert witnesses are well advised to concretize their statements. In this regard it is interesting to note that previous research has reported differences in linguistic concreteness as measured by the LCM in courtrooms. According to several studies (Schmid & Fiedler, 1996, 1998; Schmid, Fiedler, Englich, Ehrenberger, & Semin, 1996), defense attorneys use more abstract language when referring to the defendant’s positive actions and more concrete language when referring to negative actions. Prosecutors showed the opposite pattern. This choice of language can be easily explained as reflecting the respective attributions or as a strategic attempt to influence the jury’s attributions. Our results suggest that this choice of language may lead to unintended and probably undesired effects regarding the credibility. All else equal, a defense attorney’s description of the defendant’s positive actions may sound less credible than the description of the negative ones, but vice versa for descriptions of the prosecutor. It is beyond the present article to disentangle the effects resulting from attributional processes and credibility caused by concreteness in language, but the example shows once more that language conveys much more than merely content. On a different note, the present research suggests that concrete communication is especially consequential when the receiver of the message is in a concrete state of mind or psychologically near to the message. For instance, when the communication is face to face, concrete language may be especially believable. The effect may diminish in long-distance and less direct communications. The implications of mind-set and distance are important for applied contexts as well. For instance, a fair assessment of witness testimonies without being deluded by linguistic concreteness may be possible when the recipient considers a witness’s statements from the distance or in an abstract mind-set. The effect of level of concreteness does not stop with judgments of truth. Ultimately, truth judgments influence behavior, such as legal decisions, consumer behavior, and interpersonal actions. As such, the present research provides further evidence that language as a means of social communication also affects social reality. How something is said is sometimes at least as important as what is said. Acknowledgments The authors thank Alice Dechêne, Klaus Fiedler, Malte Friese, and two anonymous reviewers for their helpful comments on an earlier version of this article; Georg Halbeisen and Tobias Vogel for their help with the data collection of Experiment 2; and Annkathrin Dittmann for her help with the construction of the material and the data collection of Experiment 4. Declaration of Conflicting Interests The authors declared no potential conflicts of interests with respect to the authorship and/or publication of this article. 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