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. 2015 Aug 19;10(8):e0134008. doi: 10.1371/journal.pone.0134008

Table 3. Eye movement variable averages for young and older children and adults from Rayner’s [5] and Blythe et al.’s [4] study and eye movement variable averages for bilingual L1/ L2 and monolingual reading.

Differences between the means are reported in the last two columns [percentage] in each section.

Rayner [5] Blythe et al. [4] Our data
Variable 7–8 year olds 11–12 year olds adults young children—adults older children-adults 7–9 year 10–11 year adults young children-adults older children-adults monolingual bilingual L1 bilingual L2 mono-L1 L2—L1
Sentence Reading Time (ms) - - - - - 5473 4666 2965 2508 (84.6%) 1701 (57.4%) 1279.34 [1030.49] 1254.41 [1073.06] 1522.98 [1293.51] 24.93 (1.9%) 268.6 (17.6%) ***
Fixation Count per sentence 15 8 6 9 (150%) 2 (33.3%) 16.8 15.6 10.3 6.5 (63.1%) 5.3 (51.5%) 5.63 [4.59] 5.59 [4.83] 6.75 [5.77] 0.04 (0.7%) 1.16 (17.2%) ***
Average Fixation Duration (ms) 280 240 235 45 (19.1%) 5 (2.1%) 285 256 249 36 (14.5%) 7 (2.8%) 217.28 [44.74] 213.42 [42.47] 238.72 [109.74] 3.86 (1.8%) 25.3 (10.6%) ***
Saccade length (characters) 2.8 6.4 6.8 -4 (-58.8%) -0.4 (-5.9%) - - - - - 10.09 [3.58] 9.45 [3.24] 8.30 [2.54] 0.64 (6.3%) -1.15 (-13.9%) ***
Average skipping probability (%) - - - - - 39 44 44 -5 (-11.4%) 0 (0%) 51.99 [49.96] 52.27 [49.95] 47.62 [49.95] -0.28 (-0.5%) -4.65 (-9.8%) ***
Average regression probability (%) - - - - - - - - - - 25.23 [43.43] 22.58 [41.81] 24.07 [42.75] 2.65 (10.5%) 1.49 (6.1%)

* p<0.05

** p<0.01

*** p<0.001