Cross-Sectional Study

A cross-sectional study is one type of study in which people of different ages are examined at the same time(s). This is usually done with cohorts, so that researchers can examine how people of different ages perform, behave, or respond to a particular function. For example, a researcher may give one type of test to children in the 3rd, 4th, and 5th grades, to examine the differences in performance across these age groups.

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