Dr Gavin Decides That Instead of Conducting a 2 ×

Multiple Choice

Dr. Gavin decides that instead of conducting a 2 × 4 independent-groups factorial design, he is going to conduct a 2 × 3 × 4 mixed factorial design. Which of the following things will NOT have to change?

A) The number of main effects that need to be examined
B) The number of interactions that need to be examined
C) The number of participants needed
D) The number of researchers needed