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Author Question: One of the reasons it is NOT possible to obtain a random sample from all patients with schizophrenia ... (Read 68 times)

tingc95

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One of the reasons it is NOT possible to obtain a random sample from all patients with schizophrenia is that
 
  A) Medication is a source of confounding.
  B) It would be unethical to do so.
  C) Schizophrenia does not really differ from depression.
  D) It would be prohibitively expensive.

Question 2

The statistical test(s) most often used for comparing two groups is (are) the
 
  A) X-test.
  B) t-test and ANOVA.
  C) Mann-Whitney U-test.
  D) Chi-square.



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cdmart10

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: B





 

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