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Author Question: When the change in the dependent variable could be due to extreme scores moving to the mean on ... (Read 75 times)

naturalchemist

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on: Jul 13, 2018
When the change in the dependent variable could be due to extreme scores moving to the mean on subsequent testing, __________ is a threat to internal validity.
 
  a. history
  b. maturation
  c. regression to the mean
  d. selection

Question 2

When a change in the dependent variable could be due to internal changes within the participant that occurred over time, __________ is a threat to internal validity.
 
  a. history
  b. maturation
  c. regression to the mean
  d. selection


efwsefaw

  • Sr. Member
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  • Posts: 351
Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

B


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