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Download full textPohlmann, John T.; McShane, Michael G. – 1974
The purpose of this paper is to demonstrate the use of the general linear model (GLM) in problems with repeated measures on a dependent variable. Such problems include pretest-posttest designs, multitrial designs, and groups by trials designs. For each of these designs, a GLM analysis is demonstrated wherein full models are formed and restrictions…
Descriptors: Hypothesis Testing, Matrices, Models, Predictor Variables
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
Williams, John D.; And Others – 1972
Two methods of reading instruction (homogeneous grouping and graded classes) are compared for 165 students in 8 rural North Dakota schools by raw gain scores, residual gain scores, and the analysis of covariance. (CK)
Descriptors: Analysis of Covariance, Classes (Groups of Students), Comparative Analysis, Correlation
