Two Cross-Sectional Studies Were Conducted Using Different Questionnaires to Determine

Two cross-sectional studies were conducted using different questionnaires to determine the prevalence of over-the-counter analgesics use in a population.  The first study showed a prevalence of 7.5% (95% confidence interval 6.0 - 9.0) , and the second study demonstrated a prevalence of 7.3% (95% confidence interval 6.9 - 7.6) .  If the true prevalence of over-the-counter analgesics use in the population is 7.4%, which of the following statements about the results of the study is the most accurate?

A) The first study results are more specific
B) The second study results are more sensitive
C) The first study results are more valid
D) The first study results are more accurate
E) The second study results are more precise

Correct Answer:

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