Female Humans 298 child female 298 human 298 male 284 Male 279 Child 261 psychology 254 adolescent 169 Adolescent 162 adult 132 Adult 113 preschool child 113 child parent relation 110 Child, Preschool 109 controlled study 98 Article 92 major clinical study 88 physiology 77 article 69 Parents 66 questionnaire 60 young adult 60 Young Adult 58 longitudinal study 58 mother 54 Parenting 52 Longitudinal Studies 51 Surveys and Questionnaires 51