Female Humans 49 child controlled study female 49 human 49 major clinical study male 48 Male 46 Child 41 psychology 41 adolescent 34 Adolescent 30 Article 28 adult 24 article 20 child parent relation 17 Adult 16 physiology 14 Child, Preschool 13 preschool child 13 school child 13 Young Adult 12 human experiment 12 young adult 12 Parents 11 procedures 10 randomized controlled trial 10 depression 9 peer group 9