Dr. Goldstein studied the sleep patterns of five groups of subjects aged 10, 15, 20, 25, and 30 to determine if there were any differences in pattern following adolescence. How would this type of study be classified?
A) longitudinal
B) cross-sectional
C) multiple baseline
D) historical

Question

Quizplus · Accepted Answer

This study is a cross-sectional study because it compares different age groups at one point in time. Longitudinal studies would follow the same group of subjects over time, multiple baseline studies would involve multiple interventions, and historical studies would look back in time at past events.

Dr Goldstein Studied the Sleep Patterns of Five Groups of Subjects