Saturday, October 29, 2022

Are Demographics the Nation's Destiny? School Administrator, June 2008. Pp. 38-39.

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Evaluating testing, maturation, and gain effects in a pretest-posttest quasi-experimental design

1965 Glass, G.V. (1965). Evaluating testing, maturation, and gain effects in a pretest-posttest quasi-experimental design. American Edu...