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. 2019 Dec 20;50(4):1123–1132. doi: 10.1007/s10803-019-04346-w

Table 1.

Mean and standard deviations for ASD and typically developing control groups on matched demographic variables and AQ

Group Age Musical training Raven’s ROWPVT-4 AQ
ASD 36.59 (13.1) 4.82 (7.64) 53.62 (3.5) 107.19 (14.3) 41.35 (5.17)
Control 36.35 (12.4) 5.74 (6.98) 52.82 (3.97) 107.24 (16.5) 14.65 (7.03)
Comparison statistics: Bayesian
 BF01 3.04 2.89 2.6 3.01 1.45 × 10−11
Median .10 .09 .16 .001 4.17
 95% CI − .56, .60 − .69, .48 − .43, .78 − .58, .60 2.91, 5.44
Comparison statistics: frequentist
 t .05 .36 .62 .001 12.62
 p .96 .72 .54 .99 <.001
 Cohen’s d .018 .125 .21 .003 4.329

Frequentist comparisons are given by 2-tailed independent t-test results. Bayes factors from a default prior Bayesian t-test are expressed in terms of the Bayes factor in favour of the null hypothesis of no difference (BF01). The delta effect size is given by the median of the a posterior distribution and 95% credible intervals