Travis has designed a study to compare the muscle coordination of 60-year-olds,70-year-olds,and 80-year-olds.What research design did he use?

Question

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Travis is comparing individuals from different age groups at one point in time, which is the design of a cross-sectional study. A longitudinal study would follow the same individuals over time, a sequential study combines both longitudinal and cross-sectional approaches, and a cohort study would involve observing a group of individuals who share a particular characteristic (such as age) over a period of time.

Travis Has Designed a Study to Compare the Muscle Coordination