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Comparative Analysis2
Item Sampling2
Measurement2
Analysis of Variance1
Correlation1
Item Analysis1
Mathematical Applications1
Mathematical Models1
Test Reliability1
Test Validity1
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Educational and Psychological…2
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Bryant, N. Dale1
Gokhale, Sunanda1
Raju, Nambury S.1
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On Estimating Test Variance in Multiple Matrix Sampling
Peer reviewed Peer reviewed
Raju, Nambury S. – Educational and Psychological Measurement, 1977
A rederivation of Lord's formula for estimating variance in multiple matrix sampling is presented as well as the ways Cronbach's coefficient alpha and the Spearman-Brown prophecy formula are related in this context. (Author/JKS)
Descriptors: Analysis of Variance, Comparative Analysis, Item Sampling, Mathematical Models
Correcting Correlations for Restrictions in Range Due to Selection on an Unmeasured Variable
Peer reviewed Peer reviewed
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