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Effects of Different Types of Scores on Magnitudes of Computed R2.
Peer reviewed Peer reviewed
House, Gary D. – Multiple Linear Regression Viewpoints, 1979
The relative magnitudes of R-squared values computed through multiple regression models using grade equivalent scores, raw scores, standard scores, and percentiles as both predictor and criterion variables are compared. Grade equivalents and standard scores produced the highest R-squared values. (Author/JKS)
Descriptors: Elementary Education, Grade Equivalent Scores, Multiple Regression Analysis, Norm Referenced Tests
A Three-Year Ex Post Facto Study of Arithmetic Achievement for Elementary Pupils Eligible for a Remedial Arithmetic Program
Peer reviewed Peer reviewed
House, Gary D. – Multiple Linear Regression Viewpoints, 1978
The three-year impact of a remedial arithmetic program on eligible St. Louis Public School pupils was investigated. Hypotheses were tested through multiple linear regression models for analyses of covariance. No treatment effects were found. The study reveals that changes in future program evaluation designs are needed. (Author/JKS)
Descriptors: Academic Achievement, Analysis of Covariance, Arithmetic, Intermediate Grades