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The effect of teacher psychological, school organizational and leadership factors on teachers' professional learning in Dutch schools Geijsel, F.P.; Sleegers, P.J.C.; Stoel, R.D.; Kruger, M.L. Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. AbstractIn this study we examined the relative importance of teachers' psychological states, school organizational conditions (teacher collaboration and participative decision making), and the

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This article examines the effects of transformational school leadership on the commitment of teachers to school reform, and the effort they are willing to devote to such reform. It does so by building on the knowledge from both educational and non‐educational research into such effects. A model of such effects is tested using two approximately comparable sets of data collected from samples of Canadian and Dutch teachers. Structural equation modeling is applied to test the model within each data set. Results of the Canadian and Dutch studies are then compared. The findings show transformational leadership dimensions to affect both teachers’ commitment and extra effort. The effects of the dimension's vision building and intellectual stimulation appear to be significant in particular. Overall, the findings clearly indicate the importance of analyzing dimensions of transformational leadership for their separate effects on teacher commitment and extra effort within the context of educational reform.

Throughout the world, educational policy makers, practitioners, and scholars have acknowledged the importance of principal leadership in the generation and implementation of innovations. In many studies, transformational leadership has emerged as a promising approach in response to increasing demands to develop and implement innovations in schools. Although research has suggested that having access to leaders with expertise can significantly stimulate innovation, the link between transformational leadership and principals' social network position has not yet been extensively studied. The goal of this study was to investigate the relationship between principals' positions in their schools' social networks in combination with transformational Article at OhioLink on March 16, 2015 eaq.sagepub.com Downloaded from