Table 1.

Whole Face Analyses Results: Means, Standard Error, and Summary of Findings for the Age Group × Participant Sex Interactions

Dependent variable and participant sex	3–4-mo-olds M (SE)	9–10-mo-olds M (SE)	Adults M (SE)	Summary of significant findings for age group × participant sex interactions
Face PTLT				9–10-mo-old males & adults > 3–4-mo-old females
Females	56.70 (1.46)	66.28 (1.74)	82.43 (1.26)	9–10-mo-old males & adults > 3–4-mo-old males
Males	62.25 (1.89)	72.32 (1.90)	78.92 (1.42)	adults > 9–10-mo-old females
Females & males	59.47 (1.19)	69.30 (1.29)	80.68 (0.95)	adult females > 9–10-mo-old males
Number of fixations
Females	7.53 (0.29)	6.77 (0.35)	12.51 (0.26)	adults > 3–4-mo-olds & 9–10-mo-olds
Males	7.17 (0.38)	8.34 (0.38)	11.04 (0.29)	9–10-mo-old males > 9–10-mo-old females
Females & males	7.35 (0.24)	7.56 (0.26)	11.77 (0.198)	adult females > adult males
Average fixation duration (s)
Females	0.15 (0.006)	0.14 (0.007)	0.27 (0.005)	adults > 3–4-mo-olds & 9–10-mo-olds
Males	0.15 (0.008)	0.15 (0.008)	0.31 (0.006)	adult males > adult females
Females & males	0.15 (0.005)	0.15 (0.005)	0.29 (0.004)