TY - JOUR AU - Manjón Caballero, José Luis AU - Díaz Morales, Juan Francisco PY - 2025 DO - 10.1080/07420528.2025.2509634 SN - 0742-0528 UR - https://hdl.handle.net/20.500.14352/121016 T2 - Chronobiology International AB - This study analyzed the suitability of the Morningness–Eveningness Questionnaire (MEQ) for Spanish adolescents, focusing on reliability, structure, and age/sex invariance. 2,268 adolescents (49.1% girls, aged 12–17) participated. Four MEQ items were... LA - eng PB - Taylor and Francis KW - Morningness‒Eveningness Questionnaire KW - Reduced MEQ KW - Adolescents KW - Factorial structure KW - Sex and age factorial invariance TI - Morningness–Eveningness Questionnaire: Reliability and factorial structure of the full and reduced versions in Spanish adolescents TY - journal article ER -