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Author Question: A difference that is produced only by an expectation of an effect A) is impossible in ... (Read 41 times)

future617RT

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A difference that is produced only by an expectation of an effect
 
  A) is impossible in experimental designs.
  B) is a placebo effect.
  C) is routine in experimental designs.
  D) cannot be controlled, but it is rarely a significant problem.

Question 2

In a single-group, posttest-only study, an observed difference
 
  A) cannot be a placebo effect.
  B) might be a placebo effect.
  C) is strong evidence for a causal relationship.
  D) is almost always going to be statistically significant.



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aburgess

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: B




future617RT

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Reply 2 on: Aug 4, 2018
Gracias!


samiel-sayed

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Reply 3 on: Yesterday
:D TYSM

 

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