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Stricker, Lawrence J.; Rock, Donald A. – Developmental Psychology, 1987
Evaluated the extent to which the Graduate Record Examinations General Test measures the same constructs for older test takers that it does for younger examinees. Results suggest that the convergent validity of the test is similar across the age groups, but discriminant validity is somewhat different for older examinees. (Author/RWB)
Descriptors: Adults, Age Differences, Comparative Testing, Factor Analysis
Peer reviewed Peer reviewed
Bridgeman, Brent; Rock, Donald A. – Journal of Educational Measurement, 1993
Exploratory and confirmatory factor analyses were used to explore relationships among existing item types and three new computer-administered item types for the analytical scale of the Graduate Record Examination General Test. Results with 349 students indicate constructs the item types are measuring. (SLD)
Descriptors: College Entrance Examinations, College Students, Comparative Testing, Computer Assisted Testing
Peer reviewed Peer reviewed
Rock, Donald A.; And Others – Educational and Psychological Measurement, 1987
This study investigated the comparability of SAT Verbal and Mathematical scores for nonhandicapped examinees taking standard administrations and handicapped populations taking extended-time, special administrations. Results showed the two common-factor model to provide a reasonable fit in all populations with the mathematical factor fitting…
Descriptors: College Entrance Examinations, Comparative Testing, Construct Validity, Disabilities
Rock, Donald A.; And Others – 1985
The Educational Testing Service (ETS) was contracted by the National Center for Education Statistics to investigate changes in tested achievement using cross-sectional comparisons between the 1972 National Longitudinal Study (NLS) seniors and the 1980 High School and Beyond (HSB) senior cohort. The ETS is also responsible for estimating the extent…
Descriptors: Achievement Tests, Cohort Analysis, Comparative Testing, Ethnicity