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Download full textGribbons, Barry; Herman, Joan – 1997
Among the different types of experimental design are two general categories: true experimental designs and quasi- experimental designs. True experimental designs include more than one purposively created group, common measured outcomes, and random assignment. Quasi-experimental designs are commonly used when random assignment is not practical or…
Descriptors: Comparative Analysis, Control Groups, Evaluation Methods, Evaluation Utilization
Dynarski, Mark – 1994
Since 1988 five evaluations of Federal demonstration programs in education have been implemented that had random-assignment designs to measure program impacts. The implementation of two of these evaluations, the evaluation of the School Dropout Demonstration Assistance Program and that of the Alternative Schools Random Assignment Program, are…
Descriptors: Control Groups, Demonstration Programs, Dropout Programs, Evaluation Methods
