A researcher decides to study cognitive changes in children by simultaneously studying groups of 3-year-olds, 6-year-olds, 9-year-olds, and 12-year-olds. This researcher is conducting a ________ study.
A) cross-sectional
B) strain
C) biographical
D) longitudinal

Question

Quizplus · Accepted Answer

A cross-sectional study involves studying different groups of people at the same time, rather than following one group over a period of time. In this case, the researcher is studying different age groups simultaneously, making it a cross-sectional study.

A Researcher Decides to Study Cognitive Changes in Children by Simultaneously