Chen , C. H., & Mohaiyuddin, N. (2026). FROM CHAOS TO COHESION: ABILITY GROUPING, SOCIAL LOAFING, AND THE RISE OF DATA-DRIVEN GROUP FORMATION IN SECONDARY SCHOOL CLASSROOMS. INTERNATIONAL JOURNAL OF EDUCATION, PSYCHOLOGY AND COUNSELLING (IJEPC), 11(63), 747–762. https://doi.org/10.35631/IJEPC.1163045