human 278 female 250 Humans 237 male 237 child 224 child parent relation 219 Female 190 Male 178 Child 168 Parents 147 psychology 146 adult 132 adolescent 127 preschool child 107 Adolescent 106 Child, Preschool 100 Parenting 100 Adult 99 Article 94 controlled study 86 major clinical study 76 article 70 mother 59 questionnaire 59 infant 55 Parent-Child Relations 54 longitudinal study 46 Mothers 44 Infant 42 Surveys and Questionnaires 42