High pedagogical quality in early childhood education and care (ECEC) is related to developmental outcomes in young children. This review summarizes findings from (quasi)-experimental studies that evaluated in-service training effects for ECEC professionals on external quality ratings and child development. The aggregation of findings at teacher…

Research Findings: The National Association for the Education of Young Children's guidelines for developmentally appropriate practices (DAP) have been imported and researched by others across the globe. A central issue that has arisen for these international early childhood educators is whether these best practices are sensitive to the…

In this research, the effects of using game in mathematics teaching process on academic achievement in Turkey were examined by metaanalysis method. For this purpose, the average effect size value and the average effect size values of the moderator variables (education level, the field of education, game type, implementation period and sample size)…