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effect size
Evidence-based teaching has dominated the field of education ever since the beginning of the 21st century, when the No Child Left Behind Act (NCLB) included it as part of its wide-ranging education law that applied to all schools receiving federal funding (e.g. most schools).  The term itself dates back to 1991 when a Canadian physician,...
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Since the passage of the No Child Left Behind law in 2001, there’s been a requirement that schools (at least those receiving federal funds), use ”evidence-based” research to back-up the effectiveness of an instructional intervention in the classroom.  The evidence-based research most often regarded as optimal is the experimental or randomized control trial (RCT).  This...
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