Multiple Choice
Which of the following is a technique that involves conducting the same survey in a population every year for an extended time period to measure trends in physical activity?
A) A survey
B) A surveillance system
C) A randomized controlled trial
D) An incidence rate
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which disease accounts for approximately 20 percent
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Q4: Which type of study measures risk factors
Q6: The goals of the International Epidemiological Association
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Q8: Some of the early studies in exercise
Q9: Cross-sectional surveys cannot determine potential cause-and-effect relationships.
Q10: A disadvantage of the randomized controlled trial
Q11: Which type of study selects subjects based