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)longitudinal
B)correlational
C)cross-sectional
D)biographical study

Question

Quizplus · Accepted Answer

A cross-sectional study involves selecting a sample of people of varying ages and studying them at one point in time. This is in contrast to a longitudinal study, which observes the same individuals over a period of time, and a biographical study, which collects extensive data on an individual's life history. Correlational studies do not necessarily involve age or time. Therefore, the best choice based on the given scenario is C) cross-sectional.

A Researcher Who Selects a Sample of People of Varying