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Powers, Donald E.; Rock, Donald A. – Journal of Educational Measurement, 1999
Used several alternative analytic methods to estimate the effects of coaching on Scholastic Assessment Test I scores in a sample of more than 4,000 examinees, approximately 500 of whom had attended formal coaching programs. All estimates suggest that the effects of coaching are far less than claimed by major commercial test-preparation companies.…
Descriptors: College Entrance Examinations, High School Students, High Schools, Scores
Stricker, Lawrence J.; Rock, Donald A. – 1993
The relationships between examinee background characteristics and performance on the Graduate Record Examinations (GRE) General Test were appraised by a structural equation modeling analysis. The initial characteristics of 3,145 examinees (i.e., sex, ethnicity, parental education, geographic region, and age) had modest relationships with their…
Descriptors: College Entrance Examinations, College Students, Doctoral Degrees, Educational Quality
Rock, Donald A.; And Others – 1991
Sixty tables are presented, which examine the test achievement of a national probability sample of eighth graders in public and private schools. Statistics were obtained from the base-year student survey of the National Education Longitudinal Study of 1988 (NELS:88). The NELS:88 monitors the transition of a national sample of young adults as they…
Descriptors: Achievement Tests, Effect Size, Grade 8, Institutional Characteristics