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Table 2 Eye gaze to static faces (proportion first fixations; proportion fixation durations) in three age groups

From: The impact of sex chromosome trisomies (XXX, XXY, XYY) on gaze towards faces and affect recognition: a cross-sectional eye tracking study

  Phases of development
  1, 2 years old
(n = 51: 24 SCT, 27 TD)
3, 4 years old
(n = 76: 34 SCT, 42 TD)
5, 6, 7 years old
(n = 54: 28 SCT, 26 TD)
Eye gaze to static faces AOI SCT
M (SD)
TD
M (SD)
p-value SCT
M (SD)
TD
M (SD)
p-value SCT
M (SD)
TD
M (SD)
p-value Post hoc effect Effect size
p 2)
Proportion first fixation Eyes .51 (.26) .53 (.26) .342 .60 (.24) .65 (.29) .246 .62 (.23) .71 (.22) .068   
Proportion fixation durations Eyes .35 (.19) .30 (.22) .192 .35 (.17) .38 (.20) .289 .28 (.14) .38 (.17) .016 SCT < TD .09
  1. SCT sex chromosome trisomies, TD typically developing