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Knapp, Thomas R. – Measurement and Evaluation in Guidance, 1980
Supports arguments against general use of change scores and recommends the Lord/McNemar estimates of true change. Provides a numerical example illustrating the reliability problem and the problem of the prediction of true change from various linear composites of initial and final measures. (Author)
Descriptors: Counseling Techniques, Literature Reviews, Pretests Posttests, Research Methodology
Richards, James M., Jr. – 1974
A computer simulation procedure was developed to reproduce the overall pattern of results obtained in the Educational Testing Service Growth Study. Then simulated data for seven sets of 10,000 to 15,000 cases were analyzed, and findings compared on the basis of correlations between estimated and true growth scores. Findings showed that growth was…
Descriptors: Computers, Educational Assessment, Educational Research, Educational Testing