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Author Question: When ____ occurs in a between-subjects experiment, it is impossible to determine whether differences ... (Read 12 times)

erika

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When ____ occurs in a between-subjects experiment, it is impossible to determine whether differences between groups are caused by the treatments or by participant characteristics.
 
  a. fatigue
 b. practice
 c. assignment bias
 d. resentful demoralization

Question 2

A measure that measures what it is supposed to measure but does not yield consistent scores is ____.
 
  a. both valid and reliable
 b. neither valid nor reliable
  c. valid but not reliable
 d. reliable but not valid



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anoriega3

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Answer to Question 1

c

Answer to Question 2

c





 

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