Mariah DeSerisy, Melanie M Wall, Terry E Goldberg, Marcelo C Batistuzzo, Katherine Keyes, Niels T de Joode, Christine Lochner, Clara Marincowitz, Madhuri Narayan, Nitin Anand, Amy M Rapp, Dan J Stein, H Blair Simpson, Amy E Margolis
Studies examining the neurocognitive and circuit-based etiology of psychiatric illness are moving toward inclusive, global designs. A potential confounding effect of these associations is general intelligence; however, an internationally validated, harmonized intelligence quotient (IQ) measure is not available. We describe the procedures used to measure IQ across a five-site, multinational study and demonstrate the harmonized measure's cross-site validity. Culturally appropriate intelligence measures were selected: four short-form Wechsler intelligence tests (Brazil, Netherlands, South Africa, United States) and the Binet Kamat (India)...
2024: Global Mental Health