What size of cross-tabulation table is best for applying phi?
A) 2 x 2
B) 2 x 3
C) 3 x 3
D) 3 x 4
E) Any size

Question

Quizplus · Accepted Answer

Phi is appropriate to use with a 2 x 2 table. This is because phi is a measure of the association between two nominal variables with two categories each. If there are more than two categories for either variable, then phi is not appropriate and a different measure of association should be used.

What Size of Cross-Tabulation Table Is Best for Applying Phi