child human 9 adult 7 female 7 male 7 quantitative analysis 7 Humans 6 adolescent 6 Adolescent 5 Adult 5 Child 5 article 5 Female 4 major clinical study 4 young adult 4 human experiment 3 infant 3 procedures 3 Article 2 Child, Preschool 2 Interviews as Topic 2 Male 2 Parent-Child Relations 2 Surveys and Questionnaires 2 Young Adult 2 caregiver 2 child parent relation 2 controlled study 2 demography 2 interview 2