This dissertation examines the role of core values in American public opinion, utilizing the closed-ended questions used to measure values in the National Election Studies (NES) survey. In-depth interviews were conducted with a non-random sample of 31 individuals recruited in the Washington D.C. area and in Rockingham County Virginia. These respondents were first asked to answer the NES value questions and then to elaborate on their detailed thoughts generated by answering these questions on limited government, equality and moral traditionalism. The results of this cognitive interviewing on how individuals interpret these widely used measures of values should be useful to researchers wishing to gain a better understanding of the sources o...