Each of the following hypotheses is a different way of saying that a factor or an interaction among factors has no effect on experimental outcomes. This VI assumes that there are no effects and then seeks evidence to contradict this assumption. The following are the three hypotheses:
(A) that for all levels p if factor A is fixed, and that if factor A is random.
(B) that for all levels q if factor B is fixed, and that if factor B is random.
(AB) that for all levels p and q if both factors A and B are fixed, and that if either factor A or factor B is random. (This does not apply to model 1. In model 1 there is no interaction, and the associated output parameters are superfluous.)
for all levels p if factor A is fixed, and that 
if factor A is random.
for all levels q if factor B is fixed, and that 
if factor B is random.
for all levels p and q if both factors A and B are fixed, and that