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Madison, Matthew J.; Bradshaw, Laine – Journal of Educational Measurement, 2018
The evaluation of intervention effects is an important objective of educational research. One way to evaluate the effectiveness of an intervention is to conduct an experiment that assigns individuals to control and treatment groups. In the context of pretest/posttest designed studies, this is referred to as a control-group pretest/posttest design.…
Descriptors: Intervention, Program Evaluation, Program Effectiveness, Control Groups
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Forsyth, Robert A. – Journal of Educational Measurement, 1973
Article is concerned with a model for school system evaluation. The usefulness of the indices from this model depend on their stability, and this study presents evidence related to their stability when pupils and factors related to time are considered as sources of error. (Author/RK)
Descriptors: Correlation, Educational Quality, Models, Multiple Regression Analysis