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Direct linkRobert B. Olsen; Larry L. Orr; Stephen H. Bell; Elizabeth Petraglia; Elena Badillo-Goicoechea; Atsushi Miyaoka; Elizabeth A. Stuart – Journal of Research on Educational Effectiveness, 2024
Multi-site randomized controlled trials (RCTs) provide unbiased estimates of the average impact in the study sample. However, their ability to accurately predict the impact for individual sites outside the study sample, to inform local policy decisions, is largely unknown. To extend prior research on this question, we analyzed six multi-site RCTs…
Descriptors: Accuracy, Predictor Variables, Randomized Controlled Trials, Regression (Statistics)
Download full textMcLaughlin, Kenneth F. – Office of Education, US Department of Health, Education, and Welfare, 1964
Under Title V, Guidance, Counseling, and Testing of the "National Defense Education Act of 1958," the Congress of the United States has recognized the value of tests as a tool which may be used to help make an early determination of the aptitudes and abilities of the students in U.S. schools. This bulletin attempts to explain the use and…
Descriptors: Educational History, School Guidance, Educational Testing, Aptitude Tests
