Adolescent 9 Youth 7 Jeunesse 6 Adolescence 4 Psychologie 3 71.35 youth (sociology) 2 Adolescent psychology 2 Adolescenten 2 Adolescentie 2 Adolescents 2 Child 2 Enfants 2 Mental Disorders 2 Ontwikkeling (psychologie) 2 Psychology, Adolescent 2 Service social aux enfants 2 Social work with children 2 Social work with youth 2 77.53 developmental psychology 1 77.56 youth, puberty, adolescence 1 79.16 youth care services 1 Behavior 1 Behavior disorders in children 1 Child Care 1 Child Day Care Centers 1 Child Development 1 Child Welfare 1 Child development 1 Child mental health 1 Child psychology 1