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Onur Ramazan; Shenghai Dai; Robert William Danielson – Journal of Psychoeducational Assessment, 2025
The present study explores the sources of validity evidence of the mathematics self-concept construct in Programme for International Student Assessment (PISA) 2022 with a focus on concurrent, discriminant, and predictive evidence. Mathematics self-concept was provided with a single index variable in PISA 2022. Using only the U.S. students who…
Descriptors: Self Concept, Mathematics, Adolescents, Achievement Tests