Matrix Reasoning Subscale of the Wechsler Abbreviated Scale of Intelligence

The Matrix Reasoning subtest of the WASI was used to produce an estimate of nonverbal intellectual ability, which serves as a proxy for IQ in our analyses. Given the variability in language across the research sites, we use only the Matrix Reasoning subscale.

• Wechsler, D. (1999). Wechsler Abbreviated Scale of Intelligence. The Psychological Corporation: Harcourt Brace & Company. New York, NY.