Browsing by Author "Bozker, Roel"
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A Meta Analytical Approach Regarding School Effectiveness : The True Size of School Effects and the Effect Size of Educational Leadership
Bozker, Roel; Witziers, Rob (University of Twente, 1995)In the field of school effectiveness research there is agrowing uncertainty about questions like which factors are responsible for differentiating between effective and non-effective schools, what is the real contribution ...