Measuring Distraction at the Levels of Tactical and Strategic Control: The Limits of Capacity-Based Measures for Revealing Unsafe Visual Sampling Models
Table 1
Experiment 1: mean values of glance measures to the text display (standard errors).
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Total glance time (s)
209.92 (28.24)
249.82 (35.99)
Mean duration (s)*
0.97 (0.12)
1.46 (0.18)
Standard deviation of durations (s)**
0.59 (0.05)
1.33 (0.21)
Max duration (s)*
3.47 (0.44)
8.89 (1.99)
Total frequency of glances
230.50 (30.08)
174.50 (22.72)
Frequency of >2 s glances*
13.38 (3.88)
38.75 (7.74)
Frequency of >2 s glances in curves*
2.00 (0.68)
8.88 (2.22)
*Significant difference at 0.05 level; **significant difference at 0.01 level (t-test, two-tailed, equal variances not assumed).