%0 Journal Article %T A Conceptual Model of Coaching Efficacy: Preliminary Investigation and Instrument Development %A Feltz, Deborah L. %A Chase, Melissa A. %A Moritz, Sandra E. %A Sullivan, Phillip J. %J Journal of Educational Psychology %V 91 %N 4 %P 765-776 %@ 0022-0663 %D 1999-12-01 %I American Psychological Association %~ DeepDyve