The Effect of Transformational Mentorship on Individual Creativity in Educational Research Teams: the Mediating Role of LMX and Intrinsic Motivation LI Hong 1, PEI Ruimin 2 1 Graduate School of Management, Graduate University, Chinese Academy of Sciences, P.R. China, 100190 2 National Science Library, Chinese Academy of Sciences, P.R. China, 100190 Abstract: We developed and testified a theoretical model which explained how transformational mentorship style influences individual creativity and job satisfaction in the context of educational research teams in the context of educational research teams. Our sample included 81 teams consisting of 258 graduate students from the mainland China. The dyadic data indicated that the LMX fully mediated the relationship between transformational leadership and job satisfaction and the intrinsic motivation fully mediated the relationship between transformational leadership and creativity. The results of this present study extended the transformational leadership theory in the educational research settings, and shed the light on the mechanism how leadership style behavior would influence the member’s creativity. Furthermore, the study had the practical implication for education management and research management concerning about how to create the contextual environment in order to facilitate the members’ individual creativity. Keywords: transformational leadership, mentorship ,leader-member exchange (LMX), intrinsic motivation 1. Introduction The research team is becoming basic unit for knowledge creation and technology innovation. Specifically, in educational research team which consists of mentor and graduate students, besides the goals of complementing research projects,fostering the potential young scientists is its primary goal. Therefore, the relationship between mentor and the graduate students is a critical kind of interpersonal relationships like leadermember relationship in general teams in organization. In the same way, the behavior style of mentors will have great impact on the graduate performance like that of leaders on team member in other teams. However, although educational research team is becoming main force in implementing scientific innovation and knowledge creation in China, there are few studies to examine how the mentors’ mentorship style would affect the performance, especially creative performance of graduate students. Therefore, to examine the mechanism of mentorship on mentee’s creative performance would not only make a new contribute to leadership theory by testifying the leadership style in the context of educational research teams, but also deepen the understanding of how to improve the graduate students’ creativity via the vehicle of the mentorship. This paper aims to examine how the transformational mentorship in an educational research team, affect the creative performance of mentees. Since the role of the mentors in the educational research team is quite similar to that of the leaders of general teams in many ways, and the graduate students/mentees to the followers. We applied the full range leadership theory to describe the mentorship style in this study. The full range leadership style depicts the leadership from lazzi faire style to transactional and transformational style. And many empirical studies demonstrate the evidence that transformational leadership style would positively affect the follower’s creativity. Therefore, in this study, we focused on examining how the transformational mentorship influences the mentee’s creativity in educational research team. The paper is organized as follows: the second section is the literature review of leadership theory, LMX, intrinsic motivation and individual performance in the educational research teams and proposal of the hypotheses; the third section is the methodology, in which the sample, data collection and measurement are indicated; the results of the analysis will be presented next; and the final section is the conclusion and discussion. 2. Literature review 2.1Transformational leadership Leadership is a strategic factor to influence the individual performance and organizational performance in various organization settings. It is defined as a process that includes influencing the task objectives and strategies of a group or organization, influencing people in the organization to implement the strategies and achieve the objectives, influencing group maintenance and identification, and influencing the culture of the organization. There are affluent researches from different perspectives to study leadership. Leadership styles have been defined as those behaviors exhibited by leaders which can be measured or compared [1]. Leadership styles have also been explained as the processes through which decisions are made within an organization [2]. Leadership styles may vary widely along the spectrum of leadership [3]. Different leadership styles encourage different types of responses from followers, affecting their productivity, motivation, and morale, depending upon the context of the organization. Full Range Leadership Theory (FRL) identifies three styles of leadership – transformational leadership, transactional leadership and passive/avoidant leadership – as a continuum spectrum with nine sub-dimensions. Transformational and transactional leadership was first conceptualized by [4], was further brought to light by [5] and was then expanded upon by Bass, who studied its application in business, military, and educational settings [3, 6, 7] . Transactional leadership is rooted in mutual exchanges between leader and follower; they contain contingent reward and management by exception behaviors. In contrast, transformational leadership is those behaviors that inspire followers to go beyond the quid-pro-quo exchange found in transactional behaviors. Transformational behaviors inspire a higher level of motivation and morality [5] and influence followers to expend additional effort that transcends normal expectations. Transformational leaders provide a vision to their followers, transform the individual to the collective, and provide individual support [7-9] describes transformational leadership as a process of influence on the follower, and research has supported the effect on a follower’s attitudes, beliefs, and values [7, 10]. The outcomes of transformational leadership are well documented and include a large cadre of organizational outcomes and individual follower effects [11]. Transformational leadership style is comprised of four components defined as “4Is” – charisma leadership or idealized influence (CL or II), inspirational motivation –attitude and behavior (IM-A&B), intellectual stimulation (IS), and individualized consideration (IC) [3]. Research has shown these individual elements are highly correlated, and the measurement of transformational leadership should be considered an aggregate set of behaviors [9, 12-15]. Transformational leader is considered as an effective leader in industry, military and educational settings [16], and considerable evidences have testified the effectiveness of transformational leadership. A number of studies show that transformational leadership has positive relationship with individual performance [17-28] , team /group performance [29-33], and organizational performance [34-36] in business setting [17, 21, 23, 29, 30, 34] , sports setting[18, 36, 37] , military setting[31] , medical setting[35], school or academic setting[19, 25, 27], R&D teams or groups[26, 38, 39] and other organizations[32] using either field study and experiment or quasi-experiment study[22]. More recently, some scholars are getting interested in examining the effect of leadership style to creative performance [40-45] and organizational innovation [46]. The relationship between transformational leadership and individual creativity of followers still needs to further investigation. Especially, the mechanism of the influence of transformational leadership on followers’ individual creativity still remains unclear and worth more studies. 2.2 Transformational leadership and leader-member exchange Leader-member exchange (LMX) was first introduced by Dansereau et al. (1975) as vertical dyad linkage theory (VDL) [47]. To date, LMX has evolved into a multidimensional construct [48] and is one of the most studied and useful approaches to understand the relationship between leader and followers and to examine the effects of leadership in groups or organizations. Briefly, LMX reflects a reciprocal process in the dyadic linkage between leader and follower, in which followers hold role expectations of their leaders and they can reject, embrace, or renegotiate roles prescribed by their leaders [24] and it is premised on notions of role making [49], social exchange, reciprocity, and equity [50]. The high-quality LMX relationship reflects not only the instrumental transactional exchange but also the affective bonding accompanied by largely unstated mutual expectations of reciprocity [24]. We argue that transformational leadership predicts high-quality LMX because the charismatic leaders appeal to and influence the followers by building a strong role model and articulating a clear vision to convince the followers to believe that this mission is the right thing to do; inspirational motivation gets the followers to transcend their own self-interest for the sake of the group, and it moves followers to address higher level needs [7] which will raise the group spirit and team support as well as the relationship between team leader and followers; according to social exchange theory, transformational leader with individual consideration trait treats his followers individually, build the dyadic social and affective bonding with his followers, satisfies their needs, assist and motivate them at the dyadic level, which predict a high-quality LMX. Although there is a dearth of empirical research incorporating both LMX and transformational leadership, it is believed that the transformational leadership is one of the major reasons to predict high LMX [24, 51, 52]. In educational research teams (ERT), the mentors with transformational leadership style assist the graduate students and treat them individually rather than collectively and consider the individual developmental needs. Subsequently, they are more likely to build the affective bonding with the graduate students. Based on the reciprocal process of LMX, the mentees who received the mentor’s individualized mentoring and respect will response to their mentor in a positive way, which means a high-quality dyadic relationship, in other word, the high-quality LMX. Consequently, we posit that high-quality LMX is beneficial for the individual academic development (in the current study, we use academic satisfaction and individual creativity) in ERT, and transformational leadership rather than transactional leadership predict high-quality LMX. Leader–member exchange theory posits that the quality of the relationship developed between a leader and a follower is predictive of outcomes at the individual, group, and organizational level of analysis [53]. Consequently, we propose in the current study that LMX mediates the relationship between the transformational leadership and the individual creativity in ERTs. There are several reasons for postulating a link between transformational leadership and intrinsic motivation. According to cognitive evaluation motivation, controlling aspect of rewards decreases intrinsic motivation[62]. However, transformational leaders are known to empower, elevate rather than control their followers [63]. This is supported to some extent by data showing that a leadership style that is supportive and promotes autonomy, which would be consistent with transformational leadership, enhances intrinsic motivation [64]. This empowering process is thought to increase followers' self-efficacy and capacity for self-determination [63]. Transformational leaders stir individuals to think for themselves, and to approach old problems in new ways. The intellectual-stimulation component of transformational leadership is likely to increase knowledge, learning, and understanding. Similarly, charismatic leader raises individuals’ and groups’ expectations about what they can achieve and is likely to increase the accomplishment and task-orientation component of intrinsic motivation. Transformational leader, who is supportive and promotes autonomy, will enhance intrinsic motivation. Intrinsic motivation is believed to be positively related with creativity, and numerous studies have testified this statement [65-73]. We hypothesize in this study that intrinsic motivation will be a mediator in the relationship between transformational leadership and individual creativity. 2.4 Transformational leadership and outcome variables Based on the above, we propose the hypotheses in this paper as follows: 2.3Transformational leadership and intrinsic motivation H1: Transformational mentorship is positively related with individual creativity and job satisfaction. Motivations are considered as a psychological process to do a thing. Besides the external rewards or punishment which drive people to achieve a goal, researchers found that sometimes people do things because of their involvement in the thing itself rather than external factors. Based on the orientation of focus, motivation can be distinguished into intrinsic motivation from extrinsic motivation [54]. H2: LMX mediates the relationship between transformational mentorship and individual creativity. Intrinsic motivation is defined as the activation of goal-oriented behavior within an individual due to internal factors within a person rather than due some external factors acting on the individual. It reflects individuals choosing to engage in activities for the pleasure that they bring [55]. Intrinsic motivation has been linked to many other dispositions as well as several aspects of employee behavior [56-61]. H3: Intrinsic motivation mediates the relationship between transformational leadership and individual creativity. H4: An individual’s job satisfaction is positively related with his/her individual creativity. 3. Method 3.1 Sample The participants for this study are the members in educational research teams in academic settings. We collected data from 81 research teams, consisting of 258 valid dyadic responses during three-month investigation. The average age of the sample is 26.22, ranging from 22 to 33, the average size of the team is 8.18, ranging from 2 to 21. There are 107 female graduate students, consisting of 41.5% of total sample, and 151 male graduate students, consisting of 58.5% of total sample. We collected the measurement of transformational mentorship, LMX, job satisfaction, intrinsic motivation, self-evaluated creativity from the graduate students, and collected the creativity rating of the graduate students from mentors. 3.2 Measurement 3.2.1Transformational Mentorship Items taken from the Multifactor Leadership Questionnaire (MLQ) 5X is used to measure transformational mentorship, including idealized influence, inspirational motivation, intellectual stimulation, and individualized consideration [74]. All the items were changed as referring to “my mentor”, instead of “my leader”. Although these subscales are theoretically distinct, in this study, we make no distinction among the component factors of transformational leadership. This is consistent with recent empirical developments on transformational leadership, which have repeatedly shown that these dimensions are highly correlated and reflect the highorder construct of transformational leadership [6, 75, 76]. Ratings are completed on a 1 to 5 scale, with 1 representing “Not at all” and 5 representing “Frequently, if not always”. In the present study, the reliability coefficient (Cronbach’s alpha) of the transformational leadership scale is 0.92. 3.2.2 Leader-member exchange (LMX) This variable is assessed using seven items based on the member version of leader-member exchange questionnaires developed and used in prior research [77-80]. Respondents indicate the extent to which the items characterized the quality of their dyadic relationship with their supervisors. Ratings are completed on a 1 to 7 scale, with 1 representing “to a very low extent” and 7 representing “to a very high extent”. In the present study, the reliability coefficient (Cronbach’s alpha) of the LMX scale is 0.902. 3.2.3 Intrinsic motivation The intrinsic motivation scale in this paper is from WPI (the Work Preference Inventory) scales with 15 items and 2 components – enjoyment and challenge [81]. Ratings are completed on a 1 to 5 scale, with 1 representing “Not at all” and 5 representing “Frequently, if not always”. In the present study, the reliability coefficient (Cronbach’s alpha) of the intrinsic motivation scale is 0.814. 3.2.4 Outcome variables Satisfaction on the job is measured using a fiveitem scale developed by Bacharach, Bamberger, and Conley (1991). This general job satisfaction scale “emphasizes the match between expectations and perceived reality for broad aspects of the job taken as a whole” [82]. This scale is also used in other empirical studies between LMX and job satisfaction [77]. Appropriate to the context of this study, items are justified based on the tasks in educational research teams. Ratings are completed on a 1 to 5 scale, with 1 representing “very dissatisfied” and 5 representing “very satisfied”. In the present study, the reliability coefficient (Cronbach’s alpha) of the job satisfaction scale is 0.912. Based on the measurement of individual creativity in Farmer et al.’s work, four items are justified to measure the individual creativity in this study [83]. Ratings are completed on a 1 to 5 scale, with 1 representing “Not at all” and 5 representing “Frequently, if not always”. In the present study, the reliability coefficient (Cronbach’s alpha) of the individual creativity scale is 0.84. Results: Among the 258 valid respondents, 58.5% are male, and 41.5% are female. The mean of age and team size are 24.8 and 8.37, respectively. The descriptive statistics of and correlations between each variables measured in this study were presented in Table 1. The results of the construct validity of each construct using confirmatory factor analyses are presented in Table 2. As shown, we tested each construct with their recommended number of factors, and the good of fitness shows that all the scales measured the constructs well. Table 1 Means, Standard deviations and correlations a Variables Mean S.D. TFM TFM b 3.750 0.599 (0.920) b LMX Intrinsic Motivation LMX Job Satisfaction 5.015 1.090 0.755 *** (0.902) Intrinsic Motivation 3.705 0.403 0.380 *** 0.360 *** (0.814) Job Satisfaction 3.324 0.755 0.464 *** 0.501 *** 0.216 *** (0.912) Individual Creativity 3.507 0.618 0.333 *** 0.361 *** 0.466 *** 0.531 *** a N=258; reliability coefficients for the scales are in parentheses along the diagonal. b TFM Transformational Mentorship, LMX Leader-member exchange Individual Creativity (0.840) * p<.05 , ** p<.01 ,*** p<.001 Table 2 Results of confirmatory factor analyses # of factors 2 df GFI TLI CFI RMSEA CMIN/df TFM 4 147.263 91 0.932 0.964 0.973 0.049 1.618 LMX Intrinsic motivation 1 23.026 11 0.976 0.978 0.989 0.065 2 146.41 83 0.927 0.948 0.959 0.055 1.764 Job satisfaction Individual Creativity 1 6.492 4 0.99 0.993 0.997 0.049 1.623 1 13.772 2 0.976 0.92 0.973 Constructs 2.093 0.151 6.886 Table 3 Comparison of Structural Equation Models Model Description 2 df Model 1 1649.154 1001 1648.465 1000 1645.481 Model 5 TFL IM+LMXJS+IC TFL IM+LMXJS+IC & TFLIC TFL IM+LMXJS+IC & TFLJS TFLIM+LMXJS+IC & TFL JS+IC TFL+LMX+IMJS+IC Model 6 JS+IC TFL+LMX+IM Model 2 Model 3 Model 4 2 GFI TLI CFI RMSEA CMIN/df 0.792 0.900 0.907 0.050 1.648 0.689 0.792 0.900 0.907 0.050 1.648 1000 3.673 0.792 0.900 0.907 0.050 1.645 1644.542 999 4.612 0.792 0.900 0.907 0.050 1.646 1915.427 1001 0.774 0.858 0.869 0.060 1.914 1903.990 1001 0.771 0.860 0.870 0.059 1.902 Note: TFL Transformational leadership; LMX Leader-member exchange; IMIntrinsic motivation; JS Job satisfaction; IC The univariate correlations between transformational mentorship and individual creativity and job satisfaction (provide preliminary evidence to support Hypothesis 1, which states that transformational mentorship in ERT has positive relationship with the mentees’ job satisfaction and individual creativity. To test the following hypotheses, we use the structural equation models, whose results are presented in Table 3. job satisfaction and individual creativity. This model does not have the direct paths from transformational leadership to job satisfaction and individual creativity. Because we speculate there is relationship between job satisfaction and individual creativity, we add the path from job satisfaction and individual creativity in transformational leadership and job satisfaction and individual creativity in model 1-4. As Table 3 shows, all fit indexes showed a good fit (2 =1649.154, df =1001, RMSEA =0.05, GFI = 0.792, TLI = 0.9, and CFI =0.907). Model 1, our baseline model, represents a fully mediating model. We specify paths from transformational leadership to LMX and intrinsic motivation and from LMX and intrinsic motivation to Against the baseline model, we nest three nested models. In model 2, we add to a direct path from transformational leadership to job satisfaction. Model 3 is also identical to model 1, except for the addition of a 4. Results direct path from transformational leadership to individual creativity. In our third nested model, model 4, we add to two direct paths from transformational leadership to both job satisfaction and individual creativity. As shown in Table 4, the differences between chi-squares are not significant for model 1 compared with models 2, 3 and 4. Under the principle of model parsimony, therefore, these results suggest that model 1 best fits our data. We conclude that leader-member exchange and intrinsic motivation mediated the relationship between transformational mentorship and both job satisfaction and individual creativity. Model 5 and 6 are alternative models that are not nested within the above four models. As shown in Table 4, the alternative models are not as good as the nested models. Figure 1 shows the path coefficients between the variables. The coefficient of the path from transformational leadership to LMX is significant (β = 0.856, p<0.001), as is the coefficient of the path from LMX to job satisfaction (β = 0.549, p<0.001), which supported hypotheses 2. The coefficient of the path from transformational leadership to intrinsic motivation is significant (β = 0.448, p<0.001), as is the coefficient of the path from intrinsic motivation to individual creativity (β = 0.376, p<0.001), which support hypotheses 3. In addition, there is significant coefficient of the path from job satisfaction and individual creativity. LMX 0.549*** Job Satisfaction 0.856*** Transformational Mentorship 0.517*** 0.448*** Intrinsic Motivation 0.376*** Individual Creativity Figure 1: Results of structural equation modeling on the mediating effect of LMX and intrinsic motivation 5. Conclusion and discussion Mentorship in educational research teams is as important as leadership in other teams in common organizational settings. This study investigated the effectiveness of transformational leadership in a special context – education research team which is an important context for developing the potential researchers in the relevant fields based on human capital theory. Recently, how transformational leadership affects performance has begun to attract empirical scrutiny. Early evidence suggested that transformational leadership affects performance indirectly via several mediating mechanisms, like self-efficacy beliefs [23, 84], affective commitment [85], trust in management [85], LMX[24], empowerment [86], job characteristics[87] and intrinsic motivation in sports setting [18]. This study contributes to the leadership theory by investigating the conceptual and empirical links between transformational leadership and leader-member exchange. Another mediator—intrinsic motivation shows that how transformational leadership influences on the members’ creativity in a special context. The findings in the current study are consistent with the notions that: (1) transformational leadership behaviors are social currency, nourishing high-quality LMX; (2) transformational leadership is effective in most contexts and positively related with the outcome variables such as job satisfaction; (3) transformational leaders enhance member receptivity to role-expanding offers and extra-role behaviors through processes of personal and /or social identification [24]; (4) transformational leaders enhance the intrinsic motivation of members which infers to an enhancement in members’ creativity. 6. Limitation and future study Firstly, using the graduate student samples to test a general theory limits the generalization of the results. Although we articulate that the investigation is for the educational research teams, we hope that the results could be generic across the samples, however, the sample limits the generalization of this study. In the future, the framework of the study should be testified in other team settings, Secondly, our study was cross-sectional design which made it difficult to understand the dynamic process how LMX formed from the beginning and forged by the leadership behaviors. In the future, the longitudinal design is needed for understanding the process. Furthermore, although there are linkages between transformational leadership and LMX from the theoretical perspective, the empirical evidences are limited [24, 51, 52]. This paper adds evidence to this theory linkage and we also consider that the relationship between transformational leadership and LMX will be moderated by the characteristics of individual differences such as the personality which could be tested in the future studies. 7. Practical implications Overall, our findings suggest that effective leadership express their transformational behaviors within a personal, dynamic relational exchange context [24] in the educational research teams. Job satisfaction and individual creativity are the important indexes reflecting the performance and effectiveness of educational research teams and leadership style is one of the vital factors to influence these performance and effectiveness in ERT. The findings in this study provide evidence to suggest a transformational leader in ERT because its effectiveness in building the high-quality LMX and enhancing the intrinsic motivation of followers, which are the key process predicting the positive influence on the outcome variables, in this study, the job satisfaction and creativity. Additionally, our findings provide insights into how high-quality leader-member exchange relationships can be developed and how it enhances the intrinsic motivation of followers. The previous LMX literature focuses strongly on the outcomes of high-quality leadermember exchange, giving less attention to its antecedents. The extent transformational leadership literature has a primary focus on performance-enhancing leader behaviors. The intrinsic motivation literature focuses on the rewards and external limitation’s influence on the intrinsic motivation. Our findings suggest that (1) transformational leadership are instrumental to developing high-quality LMX relationships [24]; and (2) the appropriate leadership – the transformational leadership also enhances the intrinsic motivation of followers. For the educational implication, results of this study shed some lights on how to create a nurturing context to increase the members’ creativity via leadership behaviors in order to better the quality of higher education. References [1] Sun, J., Understanding the impact of perceived principal leadership style on teacher commitment. 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