Child Behavior Disorders Female 12 Humans 12 Male 12 behavior disorder 12 female 12 human 12 male 12 Child, Preschool 10 preschool child 10 child 9 Child 8 psychology 7 Longitudinal Studies 6 longitudinal study 6 physiology 6 Adolescent 5 Child Behavior 5 adolescent 5 child behavior 5 Surveys and Questionnaires 4 adult 4 child parent relation 4 questionnaire 4 Adult 3 Mothers 3 Parenting 3 Problem Behavior 3 mother 3 problem behavior 3