PREMAT: Validating a Curriculum-Based Screening Tool for Early Math Difficulties in the Context of Socioeconomic and Gender Disparities in Chile

Cristina Rodríguez, Bárbara Guzmán, Felipe Sepúlveda, Roberto A. Ferreira, Christian Peake, Juan E Jiménez, Faculty of Education, Universidad Católica de La Santísima Concepción, Millennium Nucleus for the Science of Learning , Faculty of Educational Sciences, Universidad de Talca, Faculty of Education, Universidad Diego Portales, Department of Developmental and Educational Psychology, University Institute of Neuroscience, Universidad de La Laguna

Journal of Psychoeducational Assessment

Published online on July 30, 2026

Abstract

Journal of Psychoeducational Assessment, Ahead of Print.
This article presents two complementary studies examining the technical adequacy and utility of PREMAT, a CBM tool designed for screening early math difficulties in first-grade Chilean children. Study 1 evaluates reliability, predictive validity, and the ...