A researcher who selects a sample of people of varying ages and studies them at one point in time is, by definition, using the ________ method.
A) biographical study
B) correlational
C) longitudinal
D) cross-sectional

Question

Quizplus · Accepted Answer

The researcher is selecting a sample of people of varying ages and studying them at one point in time, which means they are not tracking the same individuals over a period of time. This is characteristic of a cross-sectional method.

A Researcher Who Selects a Sample of People of Varying