Descriptor
| Achievement Gains | 1 |
| Comparative Analysis | 1 |
| Elementary Secondary Education | 1 |
| Outcomes of Education | 1 |
| Pretests Posttests | 1 |
| Program Effectiveness | 1 |
| Program Evaluation | 1 |
| Test Interpretation | 1 |
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| Educational Measurement:… | 1 |
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Peer reviewedFennessey, James; Salganik, Laura Hersh – Educational Measurement: Issues and Practice, 1983
A conceptual analysis of gain scores and a technically sound procedure for using such scores to compare different instructional programs are presented. The procedure proposed makes use of an index called Rescaled and Adjusted Gains within Strata (RAGS), together with a flexible but explicit procedure for score analysis and reporting. (LC)
Descriptors: Achievement Gains, Comparative Analysis, Elementary Secondary Education, Outcomes of Education
