Table 22.

Standard deviation of the heart rate in Stroop test.

	User 4	User 7	User 8	User 9	User 12
Before test	0.0697	0.0831	0.1473	0.0429	0.1015
During test	0.0527	0.0268	0.0413	0.0310	0.0789
After test	0.0502	0.0308	0.0585	0.0551	0.0720