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. 2014 Dec 4;9(12):e93653. doi: 10.1371/journal.pone.0093653

Table 1. Comparisons between the ET and the GET in the typically-developing samples from studies 1 and 2.

Study 1 Study 2
Full Sample Younger Older Full Sample
Mean Difference (full) t(114) = 8.91a,*** t(47) = 6.333*** t(36) = 7.914*** t(84) = 9.857***
ET Mean (%) 49.36% 59.97% 69.69% 64.20%
GET Mean (%) 29.32% 43.01% 45.56% 44.11%
Effect Size Cohen’s d = 1.67 Cohen’s d = 1.85 Cohen’s d = 2.64 Cohen’s d = 2.15
Mean Difference (shortened GET) t(114) = .938 t(47) = 4.279*** t(36) = 7.891*** t(84) = 7.976***
ET Mean (%) 49.36% 59.97% 69.69% 64.20%
GET Mean (%) 34.36% 46.46% 44.05% 45.41%
Correlation Cohen’s d = .18 Cohen’s d = 1.25 Cohen’s d = 2.63 Cohen’s d = 1.74

Note: aLevene’s Test for Equality of Variances was significant, F(65,56) = 4.23, p = .042, and thus a case 4 t-test was used; ***p<.001; ET = Original Eyes Task; GET = Generative Eyes Task.