A researcher who studies a fixed group of people over a long period of time is, by definition, using the ________ method.
A) biographical study
B) longitudinal
C) cross-sectional
D) correlational

Question

Quizplus · Accepted Answer

A researcher who studies a fixed group of people over a long period of time is using the longitudinal method. Biographical studies may also involve the tracking of individuals over time, but they typically focus on a single individual or a group of individuals who share a common trait or experience. Cross-sectional studies involve comparing different groups of people at a single point in time, while correlational methods involve examining the relationship between two or more variables.

A Researcher Who Studies a Fixed Group of People Over