Reviews synthesis as an important task of evaluation, putting evidence together for a coherent assessment. Types of synthesis are described from the case of two variables to more complex situations, ending with metanalysis. Syntheses help identify common patterns and regularities and can help progress toward positive social change. (SLD)

Instructional research is synthesized, using categories specific and functional enough to provide guidance for classroom practice. The opening chapter presents a theory for conducting a theory-based meta-analysis of the research on instruction, outlining a theory that involves four elements of human information processing: the self-system, the…

Forty studies using one or more components of Lozanov's method of suggestive-accelerative learning and teaching were identified from a search of all issues of the "Journal of Suggestive-Accelerative Learning and Teaching." Fourteen studies contained sufficient statistics to compute effect sizes. The studies were coded according to substantive and…