Table 4. Assessed proportion of affect (APOA) and human error probability (HEP) of subtask 1.4 based on different methods.

Subtask 1.4	APOA					HEP
HEART	0.6	0.7	0.4	0.2	0.2	4.85E-01
IAHP-HEART	0.2140	0.2389	0.1857	0.1776	0.1838	1.77E-02

HEART, human error assessment and reduction technique; IAHP, improved analytic hierarchy process.