Content Attribution

Except where expressly noted otherwise, Lifespan Development is an adaptation by Dr. Cynthia Thomas and Tremika Cleary of Developmental Psychology, copyright © by Lumen Learning,  and written Bill Pelz, licensed under a Creative Commons Attribution 4.0 International License. That resource is an adaptation and, except where expressly noted otherwise, that material was based on materials published in the Open Source Library by Linda Overstreet. These materials were originally published freely under a Creative Commons Attribution License. The original version of the materials as published as Psyc 200 Lifespan Development.