Which one of the following research techniques best allows tracking opinion change over time?

Question

Quizplus · Accepted Answer

Panel studies involve tracking the same group of individuals over time and collecting data from them at multiple points. This allows for the measurement of opinion change over time. Secondary analysis involves re-analyzing existing data, advisory committees rely on expert opinions, personal contacts gather information from individuals but do not necessarily track changes over time, and key informants usually gather information on a specific topic and not necessarily over time.

Which One of the Following Research Techniques Best Allows Tracking