In the type of mixed design in which both manipulated and nonmanipulated factors are included, the critical issue is: Question 12 options: a...

In the type of mixed design in which both manipulated and nonmanipulated factors are included, the critical issue is:

Question 12 options:

a statistical one.

to use care in interpretation of results.

to interpret main effects before interactions.

to make sure the same number of participants is used in each group.