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Peer reviewedGorsuch, Richard L. – Educational and Psychological Measurement, 1980
Kaiser and Michael reported a formula for factor scores giving an internal consistency reliability and its square root, the domain validity. Using this formula is inappropriate if variables are included which have trival weights rather than salient weights for the factor for which the score is being computed. (Author/RL)
Descriptors: Factor Analysis, Factor Structure, Scoring Formulas, Test Reliability
Download full textStricker, Lawrence J.; Rock, Donald A. – ETS Research Report Series, 2008
This study assessed the invariance in the factor structure of the "Test of English as a Foreign Language"™ Internet-based test (TOEFL® iBT) across subgroups of test takers who differed in native language and exposure to the English language. The subgroups were defined by (a) Indo-European and Non-Indo-European language family, (b)…
Descriptors: Factor Structure, English (Second Language), Language Tests, Computer Assisted Testing
Factor Analysis of Breadth and Depth Dimensions on Wechsler's Similarities and Vocabulary Subscales.
Peer reviewedBailey, Kent G.; Federman, Edward J. – Journal of Clinical Psychology, 1979
The purpose of this research was to further study the breadth and depth dimensions of the WAIS similarities and vocabulary subscales by factor analyzing several measures of intelligence: a comprehension index, SAT scores, and grade point average (GPA). (Author/SJL)
Descriptors: College Entrance Examinations, College Students, Factor Analysis, Factor Structure
