Identify the most important limitation of the survey method of epidemiological research.
A. An entire population cannot be studied.
B. They can only make suggestions about causal influences.
C. Samples can never be entirely randomized.
D. Behavior of groups can quickly change.
Answer:B
Identify the most important limitation of the survey method of epidemiological research.
A. An entire population cannot be studied. B. They can only make suggestions about causal influences. C. Samples can never be entirely randomized. D. Behavior of groups can quickly change.