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Author Question: Which of the following represents the most serious threat to internal validity? A) selection bias ... (Read 88 times)

TVarnum

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Which of the following represents the most serious threat to internal validity?
 
  A) selection bias
  B) nonresponse bias
  C) heterogenous attrition
  D) homogeneous attrition

Question 2

Which of the following threats to validity could often be thought of as a form of attitude polarization?
 
  A) the Hawthorne effect
  B) testing effects
  C) regression toward the mean
  D) participant expectancies



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asdfasdf

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Answer to Question 1

C

Answer to Question 2

B




TVarnum

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)


carlsona147

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Reply 3 on: Yesterday
Gracias!

 

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