- Did not find significant differences between the different types of questions and concluded that there is no sign of psychometric bias

University of Michigan - Ann Arbor

Researchers studied the validity of the GRE by determining the relationship between different test sections and psychometric characteristics on the 4 chosen populations and the convergent and discriminant validity of each section. Each of the 3 sections (verbal, quantitative, analytical ability) were further divided based on question type into a total 10 subsections. Maximum likelihood (MLH) estimates were used to find invariant variance-covariance matrices for the relationships between question type and abilities. 

Construct Validity of the GRE Aptitude Test Across Populations - An Empirical Confirmatory Study

Rock, D. A., Werts, C., & Grandy, J. (1981). CONSTRUCT VALIDITY OF THE GRE APTITUDE TEST ACROSS POPULATIONS‐AN EMPIRICAL CONFIRMATORY STUDY. ETS Research Report Series, 1981(2), i-44. https://onlinelibrary.wiley.com/doi/abs/10.1002/j.2333-8504.1981.tb01284.x 

- Psychometric bias
- Convergent validity
- Discriminant validity
- Construct validation
- Invariant construct validity

Construct Validity of the GRE Aptitude Test Across Populations - An Empirical Confirmatory Study: Definitions of Key Terms

- Collected scores of 3,503 students in social science majors who took the GRE for the first time in September 1978
- 4 subpopulations – 1,122 white males, 1,471 white females, 284 black males, 626 black females

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