Phi Coefficient Calculator

The phi coefficient is a measure of the association between two dichotomous variables - that is, variables that have only two possible values, for the purposes of this calculator 1 or 0.

For example, you could have this set up to determine whether there is an association between gender (X) and games console ownership (Y):

Male = 1
Female = 0
Owns a games console = 1
Doesn't own a games console = 0

To use this calculator, just enter the values - 1 or 0 - for your two dichotomous variables into the textboxes below, either one score per line or as a comma delimited list, and then hit "Calculate".

X (Dichotomous 1)
Y (Dichotomous 2)

No calculation has been performed yet.

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