%0 eBook %A Schaffer, H. Rudolph. %I Sage Publications %D 2006 %C London Eng. ; Thousand Oaks, Calif. %G English %@ 9781780343310 (online) %T Key concepts in developmental psychology %U https://ezproxy.simmons.edu/login?url=http://search.credoreference.com/content/title/sageukdp %X This book serves as a guide to the principal concepts currently in use in Developmental Psychology and is perfect for courses in child development or developmental psychology.