Citation: Kiernan, Nancy Ellen (2001). Creating Valid Answer Categories: Tipsheet #59, University Park, PA: Penn State Cooperative Extension. This document is part of a series of Tipsheets that contain practical evaluation illustrations based on current research and developed by Nancy Ellen Kiernan at Penn State Cooperative Extension. This document focuses on which answer categories to use when developing a closed-ended question. Copyright 2001 The Pennsylvania State University#HowTo #Survey #Questions #Categories #ExtensionEducationEvaluation