child human 351 Humans 341 female 315 male 310 Child 300 Female 298 Male 287 psychology 281 adolescent 193 Adolescent 180 adult 150 Adult 123 preschool child 123 child parent relation 118 Child, Preschool 117 Article 113 controlled study 112 major clinical study 99 physiology 79 article 76 Parents 73 young adult 67 questionnaire 66 Young Adult 65 longitudinal study 62 Surveys and Questionnaires 57 Longitudinal Studies 54 Parenting 54 mother 54