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Morris, John D. – Educational and Psychological Measurement, 1979
Several advantages to the use of different kinds of factor scores as independent variables in a multiple regression equation are reported. A computer program is presented which will calculate a regression equation using a variety of factor scores. (Author/JKS)
Descriptors: Computer Programs, Factor Analysis, Multiple Regression Analysis, Program Descriptions
Peer reviewed Peer reviewed
Sands, William A. – Educational and Psychological Measurement, 1978
Two computer programs (one batch, one interactive) are designed to provide statistics for a weighted linear combination of several component variables. Both programs provide mean, variance, standard deviation, and a validity coefficient. (Author/JKS)
Descriptors: Computer Programs, Data Processing, Multiple Regression Analysis, Online Systems
Peer reviewed Peer reviewed
Krus, David J.; Ceurvorst, Robert W. – Educational and Psychological Measurement, 1978
An algorithm for updating the means of variances of a norm group after each computer-assisted administration of a test is described. The algorithm does not require storage of the whole data set, and provides for unlimited, continuous expansion of the test norms. (Author)
Descriptors: Computer Assisted Testing, Computer Programs, Norms, Statistical Data