You are hereHome › Douglas Low (x) › Kellie O'Dare Wilson (x) › Gray, Julie A. (x) › Academic Journal Article (x) › Book Chapter (x) › Search results List (default) Grid Table Bookmark (1 - 2 of 2) Label Collective efficacy collegial leadership, and a culture of trust Gray, J. A., & Tarter, C. J. (2012). Collective efficacy collegial leadership, and a culture of trust: Predicting academic optimism and overall effectiveness. Contemporary Challenges Confronting School Leaders, 93-109. Trust and friction Kearney, W. S., & Gray, J. (2015). Trust and friction: A multilevel analysis of elementary math classrooms. Leadership and School Quality: A Volume in Research and Theory in Educational Administration, 197-214.