Title: Social competence, symptoms, and underachievement in childhood
Subjects: Child mental health, Child psychology, Longitudinal studies, Mentally ill children, Social skills, Underachievement, Underachievers, Soziologie, Onderpresteerders, Längsschnittuntersuchung, Kind, Santé mentale, Retardés scolaires, Epidemiologic Methods, Sozialisation, Études longitudinales, Infant, Geistige Behinderung, Social Behavior Disorders, Psychologie, Verhaltensstörung, Child, Enfants, Enfants malades mentaux, Child psychiatry