<p>it depends on what math you've already had, and whether you plan a BA or BS.</p>
<p>the new course catalog is now on-line </p>
<p><a href="http://registrar.ucdavis.edu/UCDWebCatalog/%5B/url%5D">http://registrar.ucdavis.edu/UCDWebCatalog/</a></p>
<p>and, here are the requirements for Psych specifically -
<a href="http://registrar.ucdavis.edu/UCDWebCatalog/programs/PSC/PSCreqt.html%5B/url%5D">http://registrar.ucdavis.edu/UCDWebCatalog/programs/PSC/PSCreqt.html</a></p>