Meta-Analysis Covering Studies on Problem-Based Learning

Abstract

The present study is about meta-analysis conducted to assess the effectiveness of the problem-based learning (PBL) approach. 44 postgraduate and doctoral theses accepted by universities in Turkey in the period 2015 – 2019 were reviewed on national database and out of these studies 25 that were relevant to the problem to be addressed and also had sufficient statistical data were selected for meta-analysis. Of these 25 documents 22 are postgraduate theses and 3 are doctoral dissertations. Analyses shows that the problem-based learning method is positively effective at high level with respect to students cognitive achievement, attitude, skill and retention scores according to the classification made by Cohen et. al.