Table 5.

Results of the Wilcoxon tests when the performance scores of game level 0 and level 2 were compared with those of the other levels.^a

Game level	Accuracy (P value)	F1 score (P value)
Level 0	.38	.54
Level 1	.21	.52
Level 2	.11	.92
Level 0 + 1	.046b	.10
Level 1 + 2	.21	.52
Level 0 + 1 + 2	.20	.81

^aIn all cases, decision tree was used as the classifier and both sensor and game features of the roadrunner game were used as input.

^bDifferences were statistically significant at P<.05.