Table 2.

Results of estimation of participants’ interest (engaging task). Number in each cell in column $r(r=1,2,3)$ shows the number of sessions that were estimated as engaged task $r$ . “No comparison” means the AOF detection step could not detect a bias of gaze behavior during the session.

		Estimated task
		1	2	3	No comparison
	1	32	0	3	2
Actual task	2	0	30	7	0
	3	4	0	31	2