Table 1 Eye tracking robustness, precision and accuracy under standard laboratory conditions for a standard display setup (display condition) and the scene-based setup (scene condition). Values in degrees of visual angle and cm.

From: Evaluation of an eye tracking setup for studying visual attention in face-to-face conversations

 

Display

Scene

Min

Max

Mean

SD

Min

Max

Mean

SD

Robustness

% valid data

77.56

96.39

89.55

6.64

94.61

100

98.75

1.66

Precision (SD)

In degrees

0.33

0.60

0.41

0.07

0.20

0.53

0.34

0.10

In cm

0.33

0.61

0.42

0.07

0.46

1.21

0.78

0.23

Accuracy

In degrees

0.17

1.01

0.45

0.20

0.18

0.47

0.34

0.08

In cm

0.18

1.04

0.46

0.21

0.41

1.07

0.78

0.18

  1. Precision (SD) = standard deviation of data samples (Holmqvist et al., 2011).