Table 1. AUC mean (and standard deviation) determined by 10 repetitions of 10-fold cross-validation.

Algorithm	Sharing Food	Creativity	Average
ET (5000 trees)	0.785 (σ = 0.016)	0.893 (σ = 0.01)	0.881 (σ = 0.01)
RF (5000 trees)	0.802 (σ = 0.017)	0.892 (σ = 0.006)	0.885 (σ = 0.006)
RGF (500 trees, L2 = sL2 = 1.0, square loss)	0.835 (σ = 0.017)	0.921 (σ = 0.012)	0.927 (σ = 0.011)
RGF2	0.848 (σ = 0.025)	0.926 (σ = 0.013)	0.932 (σ = 0.016)

The last column (Average) denotes AUC obtained by taking a mean of predictions of both games for each child.