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Table 3 Eye gaze patterns to single and multiple faces: proportion fixation duration on eyes and faces in two conditions (single face, multiples face): outcomes in three age groups and moderated effect of age

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 and 2 years old
(N = 57: 30 SCT, 27 TD)
3 and 4 years old
(N = 77: 35 SCT, 42 TD)
5, 6, and 7 years old
(N = 54: 28 SCT, 26 TD)
AOI SCT
M (SD)
TD
M (SD)
p-value SCT
M (SD)
TD
M (SD)
p-value Post hoc effect Effect size (part. η2) SCT
M (SD)
TD
M (SD)
p-value Post hoc effect Effect size (ηp 2)
Single face Face .52 (.17) .57 (.21) .132 .45 (.16) .54 (.16) .009 SCT < TD .07 .40 (.16) .40 (.15) .458   
Eyes .20 (.14) .20 (.16) .474 .22 (.14) .26 (.15) .142    .20 (.12) .22 (.10) .225   
Multiple faces Faces .56 (.15) .60 (.21) .172 .53 (.14) .57 (.18) .124    .43 (.18) .52 (.17) .029 SCT < TD .07
Eyes .13 (.11) .13 (.13) .437 .16 (.12) .20 (.13) .074    .14 (.09) .19 (.13) .033 SCT < TD .06
  1. SCT sex chromosome trisomies, TD typically developing, AOI area of interest