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Direct linkKatharina Maag Merki – Journal of Educational Administration, 2014
Purpose: In school improvement studies, randomized experiments are rare. A special problem is the assignment to the experimental and control groups, taking into account the different starting conditions at the schools in terms of school improvement competencies. The purpose of this paper is to take the example of an intervention study conducted in…
Descriptors: Foreign Countries, Educational Improvement, Intervention, Secondary School Teachers
