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Author Question: If there are two independent variables in a repeated measures factorial experiment, and one variable ... (Read 126 times)

tth

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on: Jun 19, 2018
If there are two independent variables in a repeated measures factorial experiment, and one variable has three levels while the other has 4 levels, how many degrees of freedom are associated with the numerator of the F ratio of the interaction of the variables?
 
  a. 6 c. 12
  b. 7 d. can't say without more information

Question 2

If there are two independent variables in a repeated measures factorial experiment, each with three levels, how many degrees of freedom are associated with the numerator of the F ratio of the interaction of the variables?
 
  a. 9 c. 4
  b. 6 d. can't say without more information


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mmpiza

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

A
The df for the interaction equals (a - 1)(b - 1) where a is the number of levels of Factor A and b is the number of levels of Factor B.

Answer to Question 2

C
The df for the interaction equals (a - 1)(b - 1) where a is the number of levels of Factor A and b is the number of levels of Factor B.


tth

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

bitingbit

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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