A Simplex Model for Analyzing Academic Growth
- 1 October 1977
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 37 (3) , 745-756
- https://doi.org/10.1177/001316447703700317
Abstract
A simplex model is presented for the analysis of longitudinal academic growth variables in which only one measure is obtained at each time. When this model fits the observed data, then reliabilities and unattenuated correlations can be estimated except for the first and last periods.Keywords
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