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Uysal, Sengul; Sarier, Yilmaz – Cypriot Journal of Educational Sciences, 2018
This research study aims to investigate the effects of school leadership on student achievement in USA and Turkey. The method of meta-analysis is used to calculate the effect size of school leadership on student achievement. Thirty-nine research studies were included in this study. However, several publications included in the research have…
Descriptors: Meta Analysis, School Administration, Instructional Leadership, Cross Cultural Studies
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Uysal, Sengul; Banoglu, Koksal – Cypriot Journal of Educational Sciences, 2018
This study aims to analyse the relationship between students' mathematics achievement in Programme for International Student Assessment (PISA) 2012 and the instructional climate-related factors in the index of principals' perceptions (learning hindrance, teacher morale and teacher intention). As preliminary analysis procedure, the chi-squared…
Descriptors: Foreign Countries, Mathematics Achievement, Educational Environment, Administrator Attitudes