highly significantp < 0.001
A repeated-measures ANOVA with Singer (S1 and S2) and AOI (eyes, mouth) revealed a highly significant effect of Singer, F(1, 64) = 17.2, p < 0.001, as well as a marginal effect of AOI, F(1, 64) = 3.97, p = 0.05, but no significant interaction between the two, F(1, 64) = 1.69, p = 0.20.