This meta-analysis synthesizes the literature on interventions for struggling readers in Grades 4 through 12 published between 1980 and 2011. It updates Scammacca et al.'s analysis of studies published between 1980 and 2004. The combined corpus of 82 study-wise effect sizes was meta-analyzed to determine (a) the overall effectiveness of reading…

Current quantitative research on the effectiveness of the National Board certification has resulted in contradictory findings. Consequently, this meta-analysis synthesized the results of 12 studies on National Board Certification and student achievement. Of those, 9 studies were used to calculate effect sizes for reading, and all 12 were used to…

This paper reports a systematic literature review examining empirical studies on the effects of peer assessment for learning. Peer assessment is fundamentally a social process whose core activity is feedback given to and received from others, aimed at enhancing the performance of each individual group member and/or the group as a whole. This makes…

This research synthesis verifies the effectiveness of the Picture Exchange Communication System (PECS) for improving the functional communication skills of individuals with autism spectrum disorders (ASD). The research synthesis was focused on the degree to which variations in PECS training are associated with variations in functional…

Factors that influence and predict academic success of ESL students were studied to assist the Ministry with decisions related to curriculum development, resource allocation, and support provision. The comprehensive nature of this study is unique in that it presents the state of affairs of K-12 ESL education in Alberta. Best practice information…