Table 2.
Internal/External AOI Analyses Results: Means, Standard Error, and Summary of Findings for the Age Group Main Effects, the Age Group × Race Familiarity Interaction, and the Race Familiarity × Stimulus Sex Interactions
| Dependent variable | 3–4-mo-olds M (SE) |
9–10-mo-olds M (SE) |
Adults M (SE) |
Summary of significant findings for main effects of age group and the age group × race familiarity interaction |
|---|---|---|---|---|
| Internal AOI PTLT | 63.04 (1.51) | 82.90 (1.63) | 72.09 (1.20) | 9–10-mo-olds & adults > 3–4-mo-olds |
| 9–10-mo-olds > adults | ||||
| % Internal-internal fixation shifts | 55.94 (2.09) | 73.64 (2.18) | 61.26 (1.55) | 9–10-mo-olds > 3–4-mo-olds & adults |
| % Internal-external fixation shifts | 9–10-mo-olds: familiar race faces > | |||
| Familiar race faces | 21.96 (2.27) | 21.20 (2.38) | 22.88 (1.69) | unfamiliar race faces |
| Unfamiliar race faces | 17.04 (1.29) | 11.47 (1.36) | 22.10 (0.96) | unfamiliar race faces: adults > 3–4- |
| mo-olds > 9–10-mo-olds |
| Dependent variable | Familiar race females |
Familiar race males |
Unfamiliar race females |
Unfamiliar race males |
Summary of significant findings for race familiarity × stimulus sex interactions |
|---|---|---|---|---|---|
| Internal AOI PTLT | 71.70 (2.08) | 69.07 (2.05) | 71.90 (1.19) | 78.03 (1.18) | unfamiliar race males > all other face types |
| % Internal-internal fixation shifts | 65.07 (2.82) | 56.03 (2.75) | 63.14 (1.60) | 70.23 (1.57) | unfamiliar race males > familiar race males & unfamiliar race females |
| % Internal-external fixation shifts | 19.64 (1.77) | 24.38 (1.72) | 17.77 (1.00) | 15.96 (0.98) | familiar race males > unfamiliar race females & unfamiliar race males |