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Journal of Experimental…

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Marascuilo, Leonard A.

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Measuring Differences among Non-Randomized Groups: an Epidemiological Model for Identifying Successful School Programs.

Peer reviewed

Marascuilo, Leonard A. – Journal of Experimental Education, 1979

The utility of the biomedical model of adjusted statistics is demonstrated. The model is recommended for use by educational researchers to randomize subjects for a more accurate estimate of school programs' success or failure when compared across classrooms or other units. (Author/MH)

Descriptors: Academic Achievement, Analysis of Variance, Comparative Analysis, Criterion Referenced Tests