Paraphrase Comment cards and formal surveys are easy ways to solicit customer information. These approaches typically concentrate on measuring customer satisfaction, which is discussed later in this chapter, and often include questions pertaining to the customers' perception of the importance of par- ticular quality dimensions as well as open-ended questions. However, few customers generally will respond to comment cards placed at restaurant tables or in hotel rooms, and those who do may not represent the typical customer. Formal surveys can be designed to scientifically sample a customer base, but can also suffer from nonresponse bias. However, some organizations find that they work well