To quickly assess the differences in the running speed of 4-year-old and 8-year-old children, an investigator would be advised to use a(n)

Question

Quizplus · Accepted Answer

A cross-sectional design would allow the investigator to compare the running speeds of 4-year-old and 8-year-old children at the same point in time. Longitudinal design would take too long to conduct, experimental design may not be practical or ethical with children, and case study design focuses on a single individual and would not provide a comparison between age groups.

To Quickly Assess the Differences in the Running Speed of 4-Year-Old