Child development Child psychology 91 Children 83 Early childhood education 60 Family members 32 Child rearing 31 Child welfare 31 more ... Play 30 Psychological aspects 25 Social aspects 24 Research 23 Developmental psychology 22 Education 20 Parent and child 20 Parenting 17 Infants 16 Social conditions 16 Child care 14 Cognition in children 14 Government policy 13 Socialization 13 Testing 13 Adolescence 12 Growth 12 History 11 Families 10 Activity programs 9 Education, Preschool 9 Educational psychology 9 Language acquisition 9 less ...