This study aimed to understand how leadership effectiveness of the trainer in a leadership development program can influence emerging leaders’ development and effectiveness. We hypothesized that the trainer’s leadership effectiveness would be a boundary condition. In this two year longitudinal field study, military cadets’ leadership effectiveness from their emergence as informal peer leaders during basic training through the officer training course (OTC) to their formal leadership roles as active duty officers was followed. The sample included 854 cadets and their 72 trainers. We found that cadets’ effectiveness during OTC mediated the relationship between informal leadership emergence during basic training and their subsequent effectiveness as formal leaders. Furthermore, trainers’ effectiveness moderated the relationship between cadets’ informal leadership emergence and effectiveness in OTC. Results indicate that informal emerging leaders are more likely to develop into highly effective formal leaders when supervised by effective trainers. Theoretical and applied implications are discussed.

中文翻译：

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领导力发展：从领导力出现到领导力有效性

本研究旨在了解领导力发展计划中培训师的领导力有效性如何影响新兴领导者的发展和有效性。我们假设培训师的领导有效性将是一个边界条件。在这项为期两年的纵向实地研究中，军事学员的领导有效性从他们在基础训练期间通过军官培训课程 (OTC) 成为非正式的同级领导到他们作为现役军官的正式领导角色得到了跟踪。样本包括 854 名学员和他们的 72 名培训师。我们发现，学员在 OTC 期间的有效性调节了基础培训期间非正式领导的出现与他们随后作为正式领导者的有效性之间的关系。此外，培训师的有效性调节了学员非正式领导的出现与 OTC 有效性之间的关系。结果表明，在有效培训师的监督下，非正式的新兴领导者更有可能发展成为高效的正式领导者。讨论了理论和应用意义。