Puigdemont, M. and Arancibia, V. 2026. Hybrid XGBoost–SHAP Prediction of Adolescent Academic Achievement from Cognitive Emotion Regulation, Academic Motivation, Procrastination, and Sleep Quality. Journal of Adolescent and Youth Psychological Studies (JAYPS). 7, 7 (July 2026), 1–13. DOI:https://doi.org/10.61838/.