In a 3 X 2 X 4 between subjects factorial experiment, how many ...

[Melani1276]

In a 3 X 2 X 4 between subjects factorial experiment, how many main effects are there?
 
  a. 2 c. 4
  b. 3 d. 24

Question 2

If there is a significant main effect in a between groups factorial experiment with two independent variables, _____.
 
  a. the effect of one variable on the dependent variable is greater than the effect of the other variable
  b. the effect of one level of the independent variable on the dependent variable is different than the effect of the other level of that variable
  c. the effect of one level of the independent variable depends on which level of the other independent variable is present
  d. the presence of both independent variables multiplies their effect on the dependent variable

[cpetit11]

Answer to Question 1

B
There is one main effect for each independent variable.

Answer to Question 2

B
A main effect of an independent variable occurs when the dependent variable changes as the levels of that independent variable change.

[Melani1276]

Wow, this really help

[scottmt]

Gracias!