Poor quality early childhood education and care (ECEC) can be detrimental to the development of children as it could lead to poor social, emotional, educational, health, economic, and behavioural outcomes. The lack of consensus as to the strength of the relationship between teacher qualification and the quality of the early childhood learning…

This article reports findings from a "meta-review" and synthesis of research on variables related to learning, including both cognitive and affective schooling outcomes. Results confirm that distal policy variables are less important to schooling outcomes than quantity and quality of instruction, home environment, or student characteristics. (IAH)

Educational programs and evaluations which were submitted to the Department of Education's Joint Dissemination Review Panel (JDRP), in order to be named validated programs, were studied to identify program characteristics associated with large versus small effect size. Effect size was calculated for 165 out of 232 submittals reviewed by JDRP from…