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Divgi, D. R. – Psychometrika, 1979
A new computer subroutine has been developed for calculating the tetrachoric correlation coefficient. Recent advances in computing inverse normal and bivariate normal distributions have been utilized. The procedure is useful for item analysis. (Author/JKS)
Descriptors: Computer Programs, Correlation, Nonparametric Statistics, Program Descriptions
Peer reviewed Peer reviewed
Karpman, Mitch – Educational and Psychological Measurement, 1979
This program calculates the chi-square statistic for testing the assumptions of equality and symmetry of covariance matrices in a repeated measures design. (Author)
Descriptors: Analysis of Covariance, Computer Programs, Nonparametric Statistics, Program Descriptions
McDermott, Paul A.; Watkins, Marley W. – 1979
A computer program named Program STANDARD is presented and demonstrated. This program calculates the statistical significance of the overall agreement of the categorical assignments. The program is based on Light's statistic, G, for describing the conjoint agreement of many observers with correct or standard set of classifications on nominal…
Descriptors: Classification, Computer Programs, Goodness of Fit, Nonparametric Statistics
Miller, William G. – 1978
Examinations of costs and acquisition of facilities indicate that an Altair 8800A microcomputer with a program library of parametric, non-parametric, mathematical, and teaching programs can be used effectively for teaching college-level statistics. Statistical packages presently in use require extensive computing knowledge beyond the students' and…
Descriptors: College Instruction, Computer Assisted Instruction, Computer Programs, Construction Costs