Except where expressly noted otherwise, the contents of this course
are based on materials published in the Open Course Library by Linda Overstreet. These materials
were originally published freely under a Creative Commons Attribution
License (you can review the license at
http://creativecommons.org/licenses/by/3.0/). The original version of
the materials as published as Psyc 200 Lifespan Development may be accessed for
free at http://opencourselibrary.org/econ-201/.