Psychology (3) Psicología (3) Sex (Biology) (2) Sexo (2) Teenagers (1) Vision (1) Vehicles (1) Trust (1) Trials (1) Time (1) Teachers (1) Perspective (1) Parents (1) Nature (1) Mental health (1) Indexes (1) Education, Secondary (1) Consumption (Economics) (1) Confidence (1) Attention (1) Attachment and garnishment (1) Academic achievement (1) Manifiesto (1) Confianza (1) Rendimiento académico (1) Factores (1) Experimentos (1) Estudio (1) Padres (1) Índices (1)