Nonprofits tend to collect a great deal of evaluative data but often have no idea how to use it to assess their performance—particularly because doing so properly is a complicated process requiring serious social sciences knowledge. In this panel discussion, part of the Stanford Social Innovation Review's conference on evaluation, two experts talk about how an organization may better use such data—as well as "external" information in the form of theory and advice—to create a "culture of inquiry" focused on learning and improvement.