In the ABA design, the alternative hypothesis states that ____
a. there will be a difference among the means of the treatment conditions
b. there will be an increase going from A to B
c. the group that gets B will do better than the group that gets A
d. all means for all conditions will differ significantly
A
The ABA design is a repeated measures design; hence there are no separate "groups.". The alternate hypothesis states that there will be a difference among the groups, but does not say where or how many of the means will differ.
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