TY - JOUR AU - Onetti Onetti, Wanesa AU - Fernández García, José Carlos AU - Castillo Rodríguez, Alfonso PY - 2019 UR - http://hdl.handle.net/10481/59839 AB - Self-concept influences identity and the way that people behave, and it fluctuates over time. The main purpose of this study was to analyze fluctuations in the dimensions of self-concept as a function of gender, educational level, grade, age,... LA - eng PB - PLOS TI - Transition to middle school: Self-concept changes DO - 10.1371/journal.pone.0212640 ER -