Towards a Brain-Sensitive Intelligent Tutoring System: Detecting Emotions from Brainwaves

Table 7

Confusion matrix.

Classified as	A	B	C	D	E	F	G	H
A: anger	412	7	7	1	25	11	23	3
B: boredom	8	318	5	0	18	12	19	7
C: confusion	9	5	374	10	15	16	28	4
D: contempt	8	0	5	166	11	12	9	0
E: curious	13	25	23	10	1060	64	67	24
F: disgust	18	12	18	6	52	976	72	13
G: eureka	31	25	31	14	104	65	1262	9
H: frustration	9	12	8	1	11	17	14	285