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Author Question: The use of a placebo is typically used to a) Rule out threats to internal validity b) Test for ... (Read 14 times)

cartlidgeashley

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on: Jun 22, 2018
The use of a placebo is typically used to
 
  a) Rule out threats to internal validity
  b) Test for ethical issues
  c) Check for the impact of contact
  d) Enable everyone to eventually receive the treatment

Question 2

No-treatment and waiting-list control groups are primarily used to
 
  a) Reduce bias in participants' responses
  b) Reduce threats to external validity
  c) Increase construct validity
  d) Increase internal validity


durant1234

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

Correct Answer: a

Answer to Question 2

Correct Answer: d


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