ERIC Number: EJ236073
Record Type: Journal
Publication Date: 1980-Oct
Reference Count: N/A
The (Un)reliability of Change Scores in Counseling Research.
Knapp, Thomas R.
Measurement and Evaluation in Guidance, v13 n3 p149-57 Oct 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)
Publication Type: Journal Articles; Information Analyses
Education Level: N/A
Authoring Institution: N/A