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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ174789
Record Type: CIJE
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
A Simplex Model for Analyzing Academic Growth
Werts, C. E.; And Others
Educational and Psychological Measurement, 37, 3, 745-56, Aut 77
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. (Author)
Descriptors: Academic Achievement, Achievement Gains, Achievement Tests, Elementary Secondary Education, Growth Patterns, Longitudinal Studies, Mathematical Models, Statistical Analysis, Test Interpretation
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A