A meta-analytic review of leadership impact research: Experimental and quasi-experimental studies

  title={A meta-analytic review of leadership impact research: Experimental and quasi-experimental studies},
  author={B. Avolio and Rebecca J. Reichard and Sean T. Hannah and Fred O. Walumbwa and Adrian Y.l. Chan},
  journal={Leadership Quarterly},
Abstract In this study we set out to conduct a comprehensive quantitative research analysis of literature reporting results on the causal impact of leadership by focusing on examining what we refer to as ‘leadership interventions.’ We defined leadership interventions as those studies where the researcher overtly manipulated leadership as the independent variable through training, assignment, scenario or other means. Our focus included both examining experimental and quasi-experimental as well… Expand

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