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Social-identity and social-exchange theory are employed to examine the role of leader-member relationships (LMX) and coworker relationships (CWR) in explaining the relationship between transformational leadership and task performance/organizational citizenship behavior. These relationships remain unclear in the current organizational literature. Survey data were collected from 1,040 teachers in 52 elementary schools in Taiwan. Results indicate that all 4 dimensions of transformational leadership have positive effects on LMX, whereas only individualized consideration and inspirational motivation positively affect CWR. It was also found that LMX is a more efficacious predictor of task performance than is CWR, whereas CWR, rather than LMX, is the better predictor of organizational citizenship behavior. Implications and directions for future research are discussed.
Li et al. (Tue,) studied this question.