A _____ design is a research design in which people of different ages are compared to each other at the same point in time, whereas a _____ design is a research design in which the same group of people is compared to itself at different points in time.

Question

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A cross-sectional design compares different age groups at one point in time, while a longitudinal design follows the same group of people over time to observe changes.

A _____ Design Is a Research Design in Which People