Child Effects on Adults

activity addition adoption adults altered ancient animals appears approach association attempt attention behavior birth caregiving changes Chapter characteristics child childhood concerning congenital considered continued contribution correlational crying culture dependence determining differences direction early effects emergence evidence example expect experience experimental fact father females findings followed Greeks human important increase indicate individual infant influence initial interaction interest involved isolating kind later learning least less limited litters maintain mammals maternal month mother nature nursing observation occur offspring pairs parents patterns period physical play positive possible present problems produce pups range rats recognition recognized relationship relatively reported response result Romans seen selection separation sequence similar situation smile social social interaction society sources species stimulation strategies studies suggested theory tion vocalizations young