Multiple Choice
Dr. McLean has designed a study to test the cognitive skills of people in their 30s, 50s, and 70s, where data is collected over the course of a day through a series of tests. What type of research approach is Dr. McLean using?
A) longitudinal
B) cohort
C) latitudinal
D) cross-sectional
Correct Answer:

Verified
Correct Answer:
Verified
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