Kool, M.

leadership change servant leadership justice servant commitment follower optimism journal study leader reward organization behavior model interactional justice management reward leadership employee relation transactional leadership psychology colquitt fluence dierendonck research process van dierendonck organization development journal variable transactional interactional transformational effect literature measurement model result fidence interval development performance fi ndings coef ficient feeling equation servant leaders ficient measurement people style fairness change processes luthan document procedure greenberg fidence outcome insight management journal interval oxford university press firmed equation modeling percent example optimism marjolein kool muthen fi t indices theory impact scale signi ficantly change management literature leadership style transformational leadership change management equation modelling consistency responsibility element