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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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An Investigation of the Relationship between Time of Testing and Test-Taking Effort
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Wise, Steven L.; Ma, Lingling; Kingsbury, G. Gage; Hauser, Carl – Northwest Evaluation Association, 2010
This study investigated the relationships between when a test is administered and the amount of test-taking effort exhibited by examinees. Three time-related variables were investigated: the time of year the test was administered, the day of the week the test event occurred, and the time of day that the test event occurred. Mean effort did not…
Descriptors: Academic Achievement, Test Wiseness, Investigations, Schematic Studies
Evaluating the Effect of Random Selection on Virtual Comparison Group Creation
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Ma, Lingling; Cronin, John – Northwest Evaluation Association, 2009
Virtual Comparison Groups (VCG) were developed by the Northwest Evaluation Association as an alternative to conventional controlled experiments for social science researchers working in the field of education. The VCG is generally a group of up to 51 students who are matched, based on key characteristics of the student and school, to a single…
Descriptors: Social Science Research, Comparative Analysis, Sampling, Student Characteristics