Table 3.

Wald tests for interaction terms.

Interaction Effect	χ2	d.f.	p
	Facial Attractiveness
Age of Perceiver × Age of Face	452.5	4	<0.001
Age of Perceiver × Gender of Perceiver	11.6	2	0.003
Age of Face × Gender of Face	10.3	2	0.006
Age Perceiver × Emotion of Face	1067.0	10	<0.001
Age of Face × Emotion of Face	331.2	10	<0.001
	Facial Distinctiveness
Age of Perceiver × Age of Face	548.3	4	<0.001
Age of Perceiver × Gender of Perceiver	2.37	2	0.307
Age of Face × Gender of Face	0.8	2	0.660
Age Perceiver × Emotion of Face	880.7	10	<0.001
Age of Face × Emotion of Face	163.6	10	<0.001

Test results are based on omnibus tests for entire interaction terms; degrees of freedom correspond to the number of jointly performed tests.