Peer reviewedERIC Number: EJ533513
Record Type: Journal
Publication Date: 1996
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0146-6216
EISSN: N/A
Available Date: N/A
Are Simple Gain Scores Obsolete?
Williams, Richard H.; Zimmerman, Donald W.
Applied Psychological Measurement, v20 n1 p59-69 Mar 1996
Modified equations for the validity and reliability of difference scores that describe applied testing situations are examined. This examination reveals that simple gain scores can be more useful in research than has commonly been believed. Simple gain scores are neither inherently unreliable nor lack predictive validity. (SLD)
Descriptors: Achievement Gains, Change, Equations (Mathematics), Prediction, Reliability, Test Theory, Validity
Publication Type: Reports - Evaluative; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
Author Affiliations: N/A
