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Wolverton, John B., Jr. – 1976
A quasi-experimental design was employed to determine the effects of a workshop, designed to familiarize teachers and counselors with a technical institute in the North Carolina Community College System, on knowledge and attitudes related to the programs and practices of the institution. Subjects were assigned to experimental and control groups by…
Descriptors: Analysis of Variance, Attitude Change, Attitude Measures, Attitudes
Marx, Thomas – 1973
When two groups, initially dissimilar, undergo different treatments, can subsequent differences be partitioned in such a way that the difference between the two treatments is unbiased? This is the central problem of this paper, and it is confronted by the examination of two levels of information using a Follow Through Evaluation. The first…
Descriptors: Achievement Tests, Analysis of Covariance, Analysis of Variance, Comparative Analysis