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Author Question: Which approach is most effective in preventing confounding by participant characteristics? a. ... (Read 21 times)

wenmo

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on: Jun 19, 2018
Which approach is most effective in preventing confounding by participant characteristics?
 
  a. matching the characteristics across treatments
  b. randomizing the variable across treatment
 c. including a no-treatment control group
 d. having a placebo control group

Question 2

The proportion of truth in a set of scores across your sample can be thought of as ____.
 
  a. validity
 b. reliability
 c. variability
  d. power


cdmart10

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Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


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