Certification (1) Students (1) Schools (1) Research (1) Psychology (1) Physics (1) Physical education and training (1) Perception (1) Motivation in education (1) Motivation (Psychology) (1) Indexes (1) Id (Psychology) (1) Factor analysis (1) Education, Secondary (1) Communities (1) Factores (1) Motivación en educación (1) Análisis factorial (1) Certificación (1) Educación Primaria (1) Estudio (1) Índices (1) Motivación (1) Estudiantes (1) Centros docentes (1) Percepción (1) Comunidad (1) Investigación (1) Psicología (1) Física (1)