Meta-Analysis of the Effects of Early Education Interventions on Cognitive and Social Development

Background/Context There is much current interest in the impact of early childhood education programs on preschoolers and, in particular, on the magnitude of cognitive and affective gains. Purpose/Objective/Research Question/Focus of Study Because this new segment of public education may require substantial resources, accurate descriptions are required of the potential benefits and costs of implementing specific preschool programs. To address this issue comprehensively, a meta-analysis was conducted for the purpose of synthesizing the outcomes of comparative studies in this area. Population/Participants/Subjects A total of 123 comparative studies of early childhood interventions were analyzed. Each study…