Child Female Humans 261 child female 261 human 261 male 251 Male 247 psychology 227 adolescent 153 Adolescent 150 adult 112 Adult 98 child parent relation 97 preschool child 97 Child, Preschool 94 controlled study 82 Article 78 major clinical study 72 physiology 70 Parents 58 longitudinal study 54 young adult 52 questionnaire 51 Young Adult 50 article 49 Longitudinal Studies 48 Parenting 48 Surveys and Questionnaires 44 mother 44