Research Article

Development of Estimating Equation of Machine Operational Skill by Utilizing Eye Movement Measurement and Analysis of Stress and Fatigue

Table 6

Slopes of the regression lines and correlation coefficients in relation concerning Lyapunov exponent.

Operator
ABCDE

-index/
 Slope (×10−8)0.06 0.80 2.62 −9.92 1.14
 c.c.*0.01 0.18 0.60 −0.58 0.18
-index/
 Slope (×10−5)−0.24 −0.12 −0.03 1.05 −0.10
 c.c.−0.37 −0.15 −0.03 0.59 −0.23

c.c.: correlation coefficient.
*Mean: 0.24; S.D.: 0.249757 (except D).