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Author Question: What does interaction mean in a factorial design? What will be an ideal ... (Read 44 times)

newbem

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on: Jun 20, 2018
What does interaction mean in a factorial design?
 
  What will be an ideal response?

Question 2

Events or influences other than the experimental treatment itself may occur between a pretest and a posttest that may affect the dependent variable. This threat is called
 
  a. mortality.
  b. history.
  c. regression.
  d. diffusion.
  e. Hawthorne effect.


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elizabethrperez

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Reply #1 on: Jun 20, 2018
Answer to Question 1

Interaction refers to an effect that occurs in a factorial design when the influence of one factor depends on the level of a second factor. For example, a treatment may be effective with boys but not girls.

Answer to Question 2

B


newbem

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Reply 2 on: Jun 20, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Excellent

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