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The authors developed and tested a longitudinal multilevel model of collective efficacy formation. In 50 self-managing student teams, they investigated the effects of individual-level and team-level factors on observed behaviors and the subsequent development of collective efficacy for mastering a complex team task. Self-efficacy for teamwork, task-relevant knowledge, and collective efficacy predicted individual teamwork behaviors (rated by peers). Aggregated measures of teamwork behavior were related to subsequent collective efficacy, which was significantly related to final team performance.
Tasa et al. (Mon,) studied this question.