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Author Question: The threat to internal validity that occurs when external events or conditions affect one group more ... (Read 39 times)

Jipu 123

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on: Jul 8, 2018
The threat to internal validity that occurs when external events or conditions affect one group more than another is the threat known as:
 
  A) Maturation
  B) Selection
  C) Testing
  D) History

Question 2

Most evidence hierarchies put which of the following at the pinnacle?
 
  A) Randomized clinical trials
  B) Program evaluations
  C) Quality improvement projects
  D) Meta-analyses of multiple clinical trials


polinasid

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Reply #1 on: Jul 8, 2018
Answer to Question 1

D

Answer to Question 2

D


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