1. Individual consideration viewed at multiple levels of analysis: A multi-level framework for examining the diffusion of transformational leadership;Avolio,1998
2. Bass and Stogdill's handbook of leadership: Theory, research, and managerial applications;Bass,1990
3. EQS: Structural equations program manual;Bentler,1995
4. Within-group agreement, non-independence, and reliability: Implications for data aggregation and analysis;Bliese,2000
5. Being both too liberal and too conservative: The perils of treating grouped data as though it is independent;Bliese;Organizational Research Methods,2004