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Argentin, Gianluca; Pennisi, Aline; Vidoni, Daniele; Abbiati, Giovanni; Caputo, Andrea – Society for Research on Educational Effectiveness, 2012
Research has proven that teachers have a fundamental influence on student results. Moreover, effective teacher professional development is one of the key mechanisms for improving student achievement. By the most recent OECD (Organisation for Economic Cooperation and Development) definition, "Professional development is defined as activities…
Descriptors: Academic Achievement, Mathematics Achievement, Teacher Effectiveness, Teaching Methods
Puzio, Kelly; Colby, Glenn – Society for Research on Educational Effectiveness, 2010
Although some literacy researchers consider grouping students for reading instruction to be a proven educational practice, the support for this belief is lacking from a research synthesis perspective. With this idea in mind, Slavin comments in the middle of his review on the effects of grouping: "there is not enough research on within-class…
Descriptors: Reading Achievement, Academic Achievement, Educational Practices, Ability Grouping