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Comparative Analysis2
Correlation2
Item Sampling2
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Educational and Psychological…1
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Bryant, N. Dale1
Cahen, Leonard S.1
Gokhale, Sunanda1
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Correcting Correlations for Restrictions in Range Due to Selection on an Unmeasured Variable
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Bryant, N. Dale; Gokhale, Sunanda – Educational and Psychological Measurement, 1972
Authors present a formula for use when restrictions result from complex or unmeasured variables. (Authors/MB)
Descriptors: Comparative Analysis, Correlation, Item Analysis, Item Sampling
A Comparison of School Mean Achievement Scores With Two Estimates of the Same Scores Obtained by the Item-Sampling Technique.
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Cahen, Leonard S.; And Others – 1970
The accuracy of estimating test means for groups of twelfth-grade students by the item-sampling technique was examined. The subjects were from 35 twelfth-grade schools participating in the National Longitudinal Study of Mathematical Abilities. Half of the students in each school were assigned to a treatment condition where they took a complete…
Descriptors: Academic Achievement, Analysis of Variance, Comparative Analysis, Comparative Testing