TY - JOUR AU - Fernández Baños, Raúl AU - Ruiz-Juan, Francisco AU - Baena Extremera, Antonio AU - García Montes, María Elena AU - Ortiz Camacho, María del Mar PY - 2018 SN - 2071-1050 UR - http://hdl.handle.net/10481/55176 AB - The aim of this study was to analyze the relationship between levels of leisure-time sports and physical activity and the stages of change in high school students with goal orientations. Methods: The sample was conformed of 2168 students randomly... LA - eng PB - MDPI KW - Physical education KW - Goals orientations KW - Stage of change TI - Leisure-Time Physical Activity in Relation to the Stages of Changes and Achievement Goals in Adolescents: Comparative Study of Students in Spain, Costa Rica, and Mexico ER -