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Guirguis, Ruth; Pankowski, Jennifer – Journal of Education and Training Studies, 2017
The purpose of this meta-analysis was to explore in detail the research by Hattie (2009) in order to then re-examine it through a new lens and better understand the research and possible bias. For this study, the unit of analysis were the studies used in Hattie (2009). The criteria for inclusion were based on strategies currently implemented in…
Descriptors: Teaching Methods, Academic Achievement, Teacher Effectiveness, Meta Analysis