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
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.
You might also like to view...
Itch sensation is a mild type of pain
a. True b. False Indicate whether the statement is true or false
Free association is associated most with behavioral therapies
Indicate whether the statement is true or false.
Which of the following is a protein that switches on genes responsible for the development of new synapses?
A. CREB B. Ghrelin C. Insulin D. GABA
Kira seems uncoordinated, often tripping or stumbling. In additon, she sometimes displays emotional reactions that do not fit the situation. Kira's _____ may be damaged.
a) cerebellum b) medulla c) pons d) hippocampus