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Peer reviewedZalinski, James; And Others – Educational and Psychological Measurement, 1979
A set of tables for determining tetrachoric correlations is presented. The coefficients have been determined to three-decimal accuracy. (JKS)
Descriptors: Correlation, Expectancy Tables, Nonparametric Statistics, Tables (Data)
Download full textHanson, Bradley A.; Bay, Luz; Loomis, Susan Cooper – 1998
Research studies using booklet classification were implemented by the American College Testing Program to investigate the linkage between the National Assessment of Educational Progress (NAEP) Achievement Levels Descriptions and the cutpoints set to represent student performance with respect to the achievement levels. This paper describes the…
Descriptors: Academic Achievement, Classification, Cutting Scores, Discriminant Analysis
