How many groups of participants would be needed to partially counterbalance four treatment conditions?
A) 4
B) 8
C) 16
D) 24

Question

Quizplus · Accepted Answer

To partially counterbalance four treatment conditions, you would need 4 groups of participants. This is because partial counterbalancing aims to ensure that each condition appears in each ordinal position but does not require every possible order to be tested, thus reducing the number of groups needed compared to a full counterbalancing approach.

How Many Groups of Participants Would Be Needed to Partially