A longitudinal study involves a panel, which is a fixed sample of elements.

Question

Quizplus · Accepted Answer

A longitudinal study is a type of research design where data is collected from the same sample of individuals over an extended period of time. In order to facilitate data collection over time, a panel is established which serves as the fixed sample of elements. This panel is sometimes referred to as a cohort, and it enables researchers to observe changes and trends in behavior, attitudes, or other variables over a span of months or years.

A Longitudinal Study Involves a Panel, Which Is a Fixed