Citation: Program Development and Evaluation, Probing Questions in Interviews, Quick Tips #34, 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 examples of probing questions in interviews. Copyright (or ©) 2006 Board of Regents of the University of Wisconsin System, d/b/a Division of Cooperative Extension of the University of Wisconsin-Extension #ExtensionEducationEvaluation #QualitativeMethods #HowTo