Table 3.

Subjects' feedback to each paradigm.

	S1	S2	S3	S4	S5	S6	S7	S8	S9	S10	S11	S12
R-P	1	1	3	1	2	2	1	2	2	2	3	2
G-P	1	1	1	2	3	2	2	1	1	2	2	1
B-P	2	1	2	1	1	2	2	2	1	2	1	1

A score of “1” means a little tired, “2” means medium, and “3” means quite a lot.