Surveying clients on a routine basis is one very important method that nonprofit organizations can use to assess service outcomes. Nonprofits do not have to become survey experts, as technical expertise and support are available, but they must understand what surveys involve, recognize good survey practice, and make decisions about the roles played by staff members versus those by survey technicians. The goal is to help ensure that useful data of high quality are collected. This guide provides information on what nonprofits need to know and consider when client surveys are used to track performance.