Estudio (8) Mothers (5) Human behavior (5) Children (5) Madres (5) Niños (5) Conducta (5) Social interaction (4) Parents (4) History (4) Instrucciones (4) Interacción social (4) Padres (4) Historia (4) Experimental design (3) Child abuse (3) Niños--Malos tratos (3) Diseño experimental (3) Labor (2) Teaching (2) Strategy (2) Weight loss (2) Quality of life (2) Psychology (2) Perspective (2) Perception (2) Obesity--Surgery (2) Obesity (2) Interest (2) Health (2)