Table 4 Between-subjects accuracy.

From: Heart rate dynamics for cognitive load estimation in a driving simulation task

Window

HR metric

Between-subjects accuracy

Highway vs. Highway + Nback

Urban vs. Urban + Nback

Highway vs. Urban

30 s

Mean IBI

0.57

0.52

0.63

RMSSD

0.55

0.52

0.55

30 IBIs

Mean IBI

0.57

0.52

0.63

PermEn

0.54

0.51

0.52

100 s

Mean IBI

0.57

0.52

0.63

RMSSD

0.55

0.52

0.49

90 IBIs

Mean IBI

0.57

0.52

0.63

PermEn

0.56

0.52

0.55

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