Assessing Challenges in Measuring Public Opinion

The influence of public opinion on American politics is an essential concept in understanding the democratic process. Public opinion is not static; it changes over time due to various events, experiences, and shifting societal norms. In this context, public opinion can be assessed through various measures, including polls, surveys, and focus groups. The reliability of these measurements largely depends on the sampling techniques and the phrasing of survey questions.

Which of the following statements best reflects a challenge to accurately gauging public opinion?