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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Osborne, Jason W. – Practical Assessment, Research & Evaluation, 2013
Osborne and Waters (2002) focused on checking some of the assumptions of multiple linear regression. In a critique of that paper, Williams, Grajales, and Kurkiewicz correctly clarify that regression models estimated using ordinary least squares require the assumption of normally distributed errors, but not the assumption of normally distributed…
Descriptors: Multiple Regression Analysis, Least Squares Statistics, Computation, Statistical Analysis
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Heath, Linda; DeHoek, Adam; Locatelli, Sara House – Practical Assessment, Research & Evaluation, 2012
Evaluators frequently make use of indirect measures of participant learning or skill mastery, with participants either being asked if they have learned material or mastered a skill or being asked to indicate how confident they are that they know the material or can perform the task in question. Unfortunately, myriad research in social psychology…
Descriptors: Measures (Individuals), Validity, Self Evaluation (Individuals), Learning