Social Networks 33 (2011) 166–171 Contents lists available at ScienceDirect Social Networks journal homepage: www.elsevier.com/locate/socnet Power and the perception of social networks夽 Brent Simpson ∗ , Barry Markovsky, Mike Steketee University of South Carolina, United States a r t i c l e i n f o Keywords: Accuracy Cognitive social networks Network perception Perception Power Priming Social cognition a b s t r a c t Previous work has led to divergent conclusions about how power affects the accuracy of network perceptions in groups and organizations. This paper develops and tests an argument linking higher power to less accurate network perception. Results from the first experiment showed that, relative to participants primed with high power, those primed with low power had more accurate perceptions of who was tied to whom in novel networks. The second experiment demonstrated that such differences in perceptual accuracy do not emerge for non-social relations. © 2011 Elsevier B.V. All rights reserved. The literature on cognitive social networks addresses the accuracy of people’s perceptions of network ties within groups and organizations (Bondonio, 1998; Casciaro et al., 1999; Freeman et al., 1987; Johnson and Orbach, 2002). One question to which researchers have devoted increasing attention is how power influences the accuracy of perceptions of who is tied to whom (Casciaro, 1998; Krackhardt, 1990). This question is important because, as Krackhardt (1990) has argued, accurate network perception is an important basis for power. Solving the puzzle of how power impacts network perceptions is therefore important for the following reason: if more powerful actors have more accurate perceptions, this would provide a means through which extant power inequalities are maintained or amplified. On the other hand, if less powerful actors have more accurate perceptions, it would provide one mechanism through which social psychological processes reign-in structurally determined power processes (Simpson et al., forthcoming). Previous work has yielded somewhat contradictory conclusions about the impact of power on perception of networks: some research has found a negative relationship between power and perception of network ties (Casciaro, 1998; Simpson and Borch, 2005), while other studies find no significant relationship (Krackhardt, 1990). These prior studies of power and network perception operated through disparate conceptual frameworks and, 夽 This research was supported by grant SES-0551895 from the National Science Foundation to the first two authors. ∗ Corresponding author at: Department of Sociology, University of South Carolina, Columbia, SC 29208, United States. E-mail address: [email protected] (B. Simpson). 0378-8733/$ – see front matter © 2011 Elsevier B.V. All rights reserved. doi:10.1016/j.socnet.2010.10.007 with the exception of Simpson and Borch (2005), investigated naturally occurring networks in formal organizations. The problem, as noted by classical theorists (Weber [1918] 1968) and repeatedly echoed in more recent work (Bacharach and Lawler, 1976; Lovaglia, 1997; Thye, 2000) is that power has many correlates such as status and wealth. As explained below, such factors may confound the study of power and perception in natural settings. We may therefore observe empirical links between power and perception in organizations that are due to power’s direct effects, or to indirect effects, or both. Our research utilized experiments that, by controlling or ruling out such correlates, help to generate a clearer understanding of the relations between power and network perception. 1. Theoretical arguments Our arguments are centered on certain key terms, defined as follows. Power is the potential to obtain favorable outcomes in social relations, as a result of asymmetric dependence or control of valued resources (Emerson, 1972; Molm, 1990; Thibaut and Kelley, 1959; Willer et al., 1997). Accuracy in network perception is “the degree of similarity between an individual’s perception of the structure of . . . relationships in a given social context and the actual structure of those relationships” (Casciaro et al., 1999:286). In our research the “actual structure” is created experimentally, sidestepping the informant accuracy problem that can occur in natural contexts (see Bondonio, 1998; Freeman et al., 1987). Our theoretical argument explains how low-power actors can have more accurate network perceptions than high-power actors. The argument begins with insights from the social cognition literature explaining how power affects social cognition (Fiske and B. Simpson et al. / Social Networks 33 (2011) 166–171 Taylor, 2008).1 A number of studies show that experiencing low power leads to more controlled cognition, whereas the experience of high-power leads to more automatic (heuristic-based) social cognition (e.g., Fiske, 1993a,b; Fiske and Taylor, 2008; Keltner et al., 2003). Furthermore, power-induced social cognitions occur spontaneously (see Keltner et al., 2003 for a review). As a result, those low in power engage in more systematic cognition even when the additional cognitive resources cannot increase their power.2 One of our key goals is to assess whether low power actors have more accurate network perceptions, even in contexts where more accurate perceptions cannot benefit them. We extend prior work on power and perception to address how power differences and the resultant cognitions affect perceptions of relationships and social structures. We expect that those who engage in more controlled social cognition will have more accurate perceptions of social ties between others. Those who engage in more automatic social cognition, in contrast, can be expected to rely more on heuristics such as a balance schema (e.g., Press et al., 1969). Prior research has demonstrated that heuristics play an important role in the perceptions of social networks (DeSoto, 1960; Press et al., 1969). For instance, Freeman (1992) noted that people tend to perceive the presence or absence of social ties according to clearly delineated groups, even though actual human social interaction is rarely organized so neatly. That is, we “fill in the blanks” by perceiving transitivity in intransitive relations. These heuristics have advantages such as decreasing the amount of cognitive resources devoted to perceiving social relations. They come with a cost, however: relative to more effortful social cognition, they can result in less accurate network perceptions. Based on the forgoing argument, if those low in power engage in more systematic social cognition whereas those higher in power rely on heuristics, then we may hypothesize that low-power actors will have more accurate perceptions of network ties than highpower actors.3 This hypothesis runs counter to prior work that suggested a positive relationship between power and perception (see Simpson and Borch, 2005 for a review). For instance, Krackhardt (1990:345) argued that more powerful members of organizations have more opportunity to observe a larger share of organizational networks, and so have more accurate perceptions. It is reasonable to assume that greater availability of information of networks will lead to greater perceptual accuracy, however this assertion may confound power with opportunity for perceptual accuracy. In the experimental tests outlined below, we thus hold constant the information available to high-power vs. low-power actors. 1 Automatic social cognition occurs rapidly. It employs routine mental shortcuts or heuristics and therefore requires fewer cognitive demands (Keltner et al., 2003). Controlled social cognition, on the other hand, entails a more comprehensive assessment and analysis of stimuli (Chen et al., 1999). Controlled social cognition is more effortful and deliberate, and relies less on simple heuristics to form impressions and make judgments (Keltner et al., 2003). 2 As an example, after priming participants with high- or low-power, Galinsky et al. (2006) asked them to draw an “E” on their foreheads. Participants primed with low-power cognitions were more likely than those primed with high-power to draw an “E” so that it could be read by other people. Importantly, participants primed with low-power could not benefit from spontaneously taking others’ perspectives. Their low-power cognitions simply generated systematic social cognitions that accounted for others’ perspectives. 3 Although we do not investigate mediators here, prior research suggests that the impact of power on systematic vs. heuristic social cognition may be mediated by affect. Briefly, experiencing low and high power leads, respectively, to negative and positive affect (Anderson et al., 2001; Molm, 1991; Willer et al., 1997). Also, as noted by Hertel (1999:232; see also Schwartz and Clore, 1996) “negative feeling states prompt more detail oriented, systemic processing in order to cope with the problematic situation. Positive mood, however, signals that no problem solving is needed, so that individuals may rely on simple heuristics and save cognitive capacity until it is needed.” 167 1.1. Evidence from prior research Consistent with our hypothesis, Simpson and Borch (2005) found that occupants of low-power positions in “exchange networks” had more accurate perceptions of network ties than high-power actors. While suggestive, the applicability of those results to our hypothesis is limited for several reasons. First, although the number of ties to a network position (degree centrality) does not by itself determine power (e.g., Bonacich, 1987; Cook et al., 1983; Freeman, 1979), it was partially confounded with power in the Simpson–Borch experiment: high-power actors tended to have more ties than low-power actors. Thus, a kind of “information overload” is an alternative explanation for high-power positions’ less accurate perceptions of network relations. They would have needed to gather, organize, and analyze more information about bargaining events than the less central low-power actors (Shaw, 1978). In addition, the Simpson–Borch study only addressed the impact of one source of power (structural) in one type of network (resource exchange). Perhaps most importantly, the experiment did not allow a test of the argument outlined above that low-power actors have more accurate perceptions even when those perceptions can have no impact on power inequalities. Below we outline a new experiment designed to overcome these limitations and show that the theorized effects of power on perception generalize beyond the preliminary results just presented. These limitations motivate the first experiment outlined below. 1.2. Priming power Both studies introduced in the sections to follow build on the growing literature on priming: the activation of particular cognitions or knowledge structures in a given situation (Bargh et al., 1996). Primes may be either subliminal, i.e., occurring outside of the participant’s conscious awareness, or supraliminal (e.g., Galinsky et al., 2003). Although participants are aware of supraliminal primes, they are generally unaware of their effects on subsequent behaviors (Fiske and Taylor, 2008:28ff). Below we describe a commonly used method of priming power. For the high-power prime, subjects are asked to recall and write about an event in which they had power over another person or persons. The power positions are reversed for the low-power prime. This procedure has generated a number of important insights (see reviews by Gruenfeld et al., 2003, and Keltner et al., 2003). For example, participants primed with high (vs. low) power take more risks (Anderson and Galinsky, 2006), are more likely to treat interaction partners as means to ends (Gruenfeld et al., 2008), and are less likely to spontaneously take the other’s perspective (Galinsky et al., 2006). More generally, the effects of priming are not unlike those resulting from structural manipulations of power (e.g., Galinsky et al., 2003). 2. Experiment 1 We conducted two experiments at a large public university with students from Introductory Sociology courses. Those who agreed to participate did so during regular class periods. Experiment 1 addressed the effects of power on perceptions of social relations. Experiment 2, to be reported in the next section, was designed to rule out an alternative explanation of the results of Experiment 1, and addressed the impact of power on perceptions of non-social relations. Data for Experiment 1 were gathered in two classroom sessions. After all subjects in a given session had read and completed a consent form, a research assistant distributed a packet of materials containing condition-specific information and the dependent 168 B. Simpson et al. / Social Networks 33 (2011) 166–171 measure. Another research assistant projected the instructions on a large screen and read them aloud. The instructions explained that the research deals with various aspects of social relationships and that subjects would begin by writing an essay based on a personal event. They were then directed to the first page of their information packet for instructions. As noted above, the power manipulation has become the standard method of priming high- vs. low-power cognitions (e.g., Anderson and Galinsky, 2006; Smith and Bargh, 2008; Weick and Guinote, 2008). Following Galinsky et al. (2003), instructions for subjects in the high-power priming condition stated: Please recall a particular incident in which you had power over another individual or individuals. By power, we mean a situation in which you controlled the ability of another person or persons to get something they wanted, or were in a position to evaluate those individuals. Using the space provided below, please describe this situation in which you had power what happened, how you felt, etc. Participants in the low-power condition were asked to write about a situation in which someone had power over them. Subjects had 10 min to think about an event and to describe on the provided form how it made them feel. They were encouraged to continue writing about the event until the research assistant asked them to stop. Following the priming manipulation, subjects completed a network perception task developed by Janicik and Larrick (2005). The procedure builds on the classic studies of network accuracy. It presents subjects with a novel network, then measures the accuracy of their perceptions of the network and the types of errors they make while learning it (see, e.g., DeSoto, 1960; DeSoto and Kuethe, 1959; Flynn et al., 2006; Freeman, 1992). Specifically, subjects were given a description of influence relations among a group of five scientists in a fictitious biotech company called “MedPro.” The instructions explained that the subject’s task was to learn who influences whom among the scientists at MedPro. Because influence networks are directed graphs (e.g., Mike can influence Bob without Bob influencing Mike), there are 20 possible influence relations in a five-person network. Of these, six actually existed in the MedPro network. Fig. 1a shows the text given to participants regarding the influence relations, however participants were not shown the schematic diagram that appears in Fig. 1b. Subjects had 1 min to consider the list of ostensive “actual” influence relations at MedPro. They were instructed to not write anything during this period. When the minute elapsed, the research assistant removed the MedPro influence structure from the screen and, following Janicik and Larrick (2005), each subject was directed to a response form in his or her experiment packet. The response form contained ten yes/no questions about the influence structure in MedPro (e.g., “Does Bob influence Doug?”). Three of these questions measured the accuracy of subjects’ perceptions of existing ties and the remaining seven measured subjects’ perceptions of absent ties. Thus, given that there were 6 existing ties and 14 nonexisting ties, we have accuracy scores for half of each type. The correspondence between a participant’s perceived structure and the actual structure is our dependent measure. Following completion of the network perception questionnaire, research assistants collected materials and explained the purpose of the study. The entire procedure took approximately 15 min. 2.1. Results A total of 97 students participated in Experiment 1. Table 1 presents the results for subjects in the two conditions. Our hypothesis predicted that subjects primed with low power would report more accurately on network ties in the MedPro organization. The Table 1 Perceptual accuracy of social network ties (Experiment 1). High power priming Absent + present ties Absent ties only Present ties only 76% 70% 88% Low-power priming 84% 83% 86% p (2-tailed) ≤.05 ≤.01 n.s. first row of the table shows that low-power priming resulted in significantly more accurate perceptions of the MedPro network than did high-power priming, 84% vs. 76% (t(95) = 1.99, p ≤ .05). This supports the hypothesis. Breaking down the results into “true positives” (accurate recall of existing ties) and “true negatives” (accurate recall of absent ties) yields greater insight into the perceptual acuity of those primed with low versus high power. We conducted a repeated measures ANOVA with tie-type (present vs. absent) and power as predictor variables. The overall F tests showed a significant effect of tie-type [F(1, 95) = 13.60, p < .001], qualified by a tie-type × power interaction [F(1, 95) = 7.50, p = .007]. As shown in the last two rows of Table 1, while power did not affect the accuracy of perceptions of existing ties (t(95) = .51, p = .62), those primed with low power had significantly more accurate perceptions of absent ties (t(95) = 2.51, p ≤ .01). Viewed differently, although low-power actors had relatively accurate perceptions of both present and absent ties (t(51) = .95, p = .35), participants in the high-power condition seemed to focus their attention on ties that were present, as indicated by their greater accuracy scores for present vs. absent relations (t(44) = 3.55, p < .001). The kinds of misperceptions made by high-power actors shed additional light on these results. Specifically, those primed with high power seemed to assume that the most influential scientist in MedPro (Ken) was universally influential, and that the most influenced scientists in MedPro (Mike and Bob) were universally influenced. Further analyses showed that those primed with high power were more likely than those primed with low power to state erroneously that non-existent ties originating at Ken, or ending at Mike or Bob, actually existed (t(95) = 2.41, p ≤ .05). This suggests a form of schematic processing of network information: those primed with high power tended to “fill in the blanks” (Freeman, 1992), inferring non-existent network ties in a way consistent with a fully-stratified power system. 2.2. Discussion Experiment 1 supported our central hypothesis predicting that respondents primed with low power would have more accurate perceptions of social ties. While low-power actors had relatively accurate perceptions of existing and non-existing ties, high-power actors systematically misperceived certain types of non-existing ties. These results support our argument linking low power to more accurate network perceptions, but permit an alternative explanation: the experience of low power may have led to an overall improvement in performance on cognitive tasks. For instance, the priming procedure may have threatened the self-efficacy of lowpower subjects, leading them to respond by putting additional effort into the task. According to this alternative explanation, the content of the task for the dependent measure was irrelevant: those primed with low power would have performed better at any task. However, following Janicik and Larrick (2005) we suggest that the perception of social relations is domain specific, such that the more accurate perceptions of low-power actors should be limited to the perception of social relations. If so, we would not expect to observe differences between those primed with high and low power in a non-social network domain. We tested this idea in our second study. B. Simpson et al. / Social Networks 33 (2011) 166–171 169 Fig. 1. Influence relations for Experiment 1 (from Janicik and Larrick, 2005). Node size corresponds with number of influence relations. 3. Experiment 2 Following Janicik and Larrick (2005), we used traffic network patterns to operationalize non-social relations. We administered the priming procedure from Experiment 1, then displayed a traffic pattern isomorphic to the MedPro network used in the prior study. Data were gathered in two classroom sessions. With few exceptions, procedures were identical to those in Experiment 1. Rather than describing the study as involving “social relationships,” however, it was described as an investigation of how people form mental maps of city streets and learn to navigate using direct routes. Subjects received a list of six one-way streets, each of which connected two of six landmarks, e.g., a Pharmacy and a High School. We used one-way streets for ease of comparison with the directed graph of influence relations from Experiment 1 (see Fig. 1). Again, subjects were presented only with a text description of the tie patterns and not an image of the network. All other procedures were identical, and our perception measures included only those relations that were isomorphic to the ones included in Experiment 1. As above, the correspondence between perception of the network and the actual structure of that network is our dependent measure. 3.1. Results A total of 100 students participated. Table 2 shows the perceptual accuracy of subjects primed with high versus low power. In contrast to the results in Experiment 1, there was no effect of power on perceptions of non-social ties. Those primed with low power had similar levels of perceptual acuity to those primed with high power 80% vs. 77%, respectively (t(98) = .816, p = .42). Nor did we observe significant differences between those primed with low versus high power when we separately considered those ties that did exist (“true positives” = 89% and 83% for low and high power, respectively, p = .63), or those that did not (“true negatives” = 77% and 74% for low and high power, p = .22).4 4 We also conducted a repeated measures ANOVA with Study (1 vs. 2), tie-type (present vs. absent) and power as predictors of accuracy. Most relevant for current purposes, a marginally significant interaction between tie-type and power [F(1, 193) = 2.67, p = .10] was qualified by a significant three-way interaction between Study, tie-type and power [F(1, 193) = 5.51, p = .02]. Given that results are based on analyses of two different experiments, they should be interpreted cautiously. Still, the three-way interaction provides additional evidence that the greater perceptual acuity of those lower in power (for absent ties) holds for social ties (Study 1), but not for non-social ties (Study 2). Table 2 Perceptual accuracy of non-social relations (Experiment 2). High power priming Absent + present ties Absent ties only Present ties only 77% 74% 83% Low power priming 80% 77% 89% p (2-tailed) n.s. n.s. n.s. 3.2. Discussion We have addressed a longstanding issue in the social sciences: how does a person’s power affect the accuracy of her perceptions of the social ties that exist between group members? Prior research (Simpson and Borch, 2005) and Experiment 1 both suggest that those low in power have more accurate perceptions of social ties, and this effect appears across different contexts and measures. Results supported the argument linking low power to more accurate network perceptions, whether the experience of power stemmed from occupation of disadvantaged positions in a social network or via a standard method of priming low (vs. high) power, and whether the relations being perceived were ties among members of a network in which the perceiver was involved and from which he or she could materially benefit or in a network of influence relations in which the perceiver was a third-party observer and could not benefit from more accurate perceptions. Evidence from organizations research is also consistent with our findings. Casciaro (1998) assessed the impact of formal positions in a university research center hierarchy on perceptions of friendship and advice networks in the research center. Although she expected to find a positive relationship between power (position in the hierarchy) and perceptions of advice networks, she found that those lower in power had more accurate perceptions of both friendship and advice networks. In short, the finding that those low in power have more accurate network perceptions appears to be relatively robust across a range of different types of networks and bases of power. In line with our expectations, however, the results of Experiment 2 suggest that power does not lead to a general increase in perceptual acuity, as power did not affect the perception of nonsocial ties. 4. Discussion and conclusions Previous work in sociology and organizational studies has led to divergent explanations for whether and how power affects the accuracy of perceptions of social relationships. Our research sought to produce a better understanding of the impact of power on perceptions of social ties. The gist of our argument linking low power to more accurate perceptions is that, compared to their high-power 170 B. Simpson et al. / Social Networks 33 (2011) 166–171 counterparts, low-power actors will engage in more systematic network searches. As a result, we expected a negative relationship between power and perception. The results of Experiment 1 strongly supported the hypothesized negative relationship. Subjects primed with low-power cognitions had more accurate perceptions of ties in a novel network than those primed with high-power cognitions. Furthermore, the perceptions of high- versus low-power subjects differed for very specific types of ties: compared to their low-power counterparts, those primed with high power tended to assume that highly influential members of the network were universally influential and that highly influenced members were universally influenced. As a result, they tended to overestimate the existence of ties connecting these actors to others in the network. Thus, high-power cognitions seemed to prime participants to engage in a heuristic form of network perception, whereas those primed with low power engaged in more systematic searches. Importantly, however, results from Experiment 2 showed that power priming did not affect the perceptions of non-social relations. These findings raise a number of additional questions about the relationship between power and perception. For instance, do low-power actors’ more accurate perceptions of networks actually benefit them? A number of scholars (Krackhardt, 1990; Pfeffer, 1981) have answered this question affirmatively. But, in a related paper (Simpson et al., forthcoming), we argue and present experimental evidence that having accurate network knowledge can create a “social trap” (Komorita and Parks, 1996; Platt, 1973) for low-power actors, wherein short-term individual gains generate long-term collective losses. The current research should also be extended to include a more systematic investigation of the types of heuristics that high-power actors invoke and their consequences for perceiving social networks. This is important because the beliefs of those at the top of power and prestige orders are more likely to influence the behavior of others than the beliefs of those with lower status (Berger et al., 1977; Weber [1918] 1968). Thus, it is conceivable that the perceptions of those higher in power, whether or not these perceptions are accurate, are reified by other group members. Furthermore, as suggested by an anonymous reviewer, future research should investigate whether the effects of power on network perception are mediated by culture. A. Fiske (1993) suggested that, while the types of cognitive schema people use to organize and perceive social relationships are relatively similar across cultures, there is appreciable cultural variation in the extent to which a given situation leads to the use of one schema vs. another. Because most of the participants in the studies reported above are from an individualist culture, it may be useful to replicate these studies using participants in collectivist cultures. Finally, some research suggests that those high in power engage in more systematic cognitions if they feel their power is threatened (e.g., Keltner et al., 2003). 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