. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Dev Psychobiol. 2010 Jan;52(1):54–61. doi: 10.1002/dev.20412

Table 1.

Summary of average looking times at male and female faces in Experiments 1–3. Values represent average looking time in seconds, standard deviations are given in parentheses.

Experiment 1	Male faces	Female faces	p
Macaque upright	1.80 (0.43)	1.99 (0.48)	0.04
Macaque inverted	2.02 (0.68)	2.17 (0.76)	0.36

Experiment 2

Human upright	1.61 (0.57)	1.57 (0.55)	0.83
Human inverted	1.58 (0.53)	1.47 (0.46)	0.53

Experiment 3

Macaque upright	1.08 (0.26)	1.30 (0.27)	0.17
Human upright	1.19 (0.32)	1.21 (0.26)	0.80