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Author Question: The prevalence of PTSD among U.S. soldiers who served in the Vietnam War is about one in ______. ... (Read 344 times)

olgavictoria

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on: Jun 22, 2018
The prevalence of PTSD among U.S. soldiers who served in the Vietnam War is about one
   in ______.
 
  a. two c. four
   b. three d. five

Question 2

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.


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jonathanballen97

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Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

B


olgavictoria

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Reply 2 on: Jun 22, 2018
Excellent

brbarasa

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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