Citation: Program Development and Evaluation, Record the Decisions You Make with Your Data, Quick Tips #21, University of Wisconsin-Extension, Madison, WI. This document is part of a series of Tip Sheets developed by the Program Development & Evaluation Unit of University of Wisconsin Cooperative Extension. It contains reference information when analyzing data and interpreting results. Copyright (or ©) 2002 Board of Regents of the University of Wisconsin System, d/b/a Division of Cooperative Extension of the University of Wisconsin-Extension. #HowTo #ExtensionEducationEvaluation