 In Schwarz's view, the respondent not only follows the Gricean maxims (Quality, Quantity, Relation, and Manner) when responding to surveys but also assumes that the questions the interviewer asks are guided by the same principles.Schwarz's research implicates the operation of these maxims during various stages of the survey question and answering process, and highlights how features of the research instrument can significantly impact the answers obtained.For example, when asked about how successful their lives have been, individuals' responses depended on the range of a scale.