A Historical Study forMeta-Analysis in the field of Psychological and Educational studies

Abstract

This study aimed at identifying the historical development of meta-analysis of Psychological and Educational Studies; to find out the importance of the studies examined of meta-analysis and its objectives, constraints, conditions, principles and characteristics, patterns and stages of its implementation. For rooting the subject to the set of conclusions and recommendations. To achieve the purpose of this study, the studies examined meta-analysis were reviewed, carefully considered, for constructed with appropriate conclusions.