True and Quasi-Experimental Designs [electronic resource] / Barry Gribbons and Joan Herman.
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...
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Format: | Electronic eBook |
Language: | English |
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Washington, DC :
ERIC Clearinghouse on Assessment and Evaluation,
1997.
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Series: | ERIC/AE Digest.
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Internet
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ED421483
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ED421483 | Available |