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Peer reviewedReilly, Richard R.; Jackson, Rex – Journal of Educational Measurement, 1973
The present study suggests that although the reliability of an academic aptitude test given under formula-score condition can be increased substantially through empirical option weighting, much of the increase is due to the capitalization of the keying procedure on omitting tendencies which are reliable but not valid. (Author)
Descriptors: Aptitude Tests, Correlation, Factor Analysis, Item Sampling
PDF pending restorationEstes, Carole; Estes, Gary D. – 1980
Multiple matrix sampling is a sampling design in which both test items and examinees are randomly sampled from their respective populations. This study was designed to develop and assess a method for computing an estimate of a correlation coefficient when a multiple matrix sampling design is used. The examinee populations included 212 third-grade…
Descriptors: Correlation, Elementary Secondary Education, Evaluation Methods, Grade 3
