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. Author manuscript; available in PMC: 2017 Jan 22.
Published in final edited form as: Vis cogn. 2016 Jan 22;23(8):957–988. doi: 10.1080/13506285.2015.1132803

Table 2.

Means and standard errors for viewing durations (ms), sensitivity (given by the slope relating response distance to target distance), bias (given by the percent means signed error across distances), and precision (given by the standard errors of the estimates).

Viewing Duration Sensitivity Bias Precision
Younger Group A
    SingleFast 21.3 (0.9) 0.65 (0.07) −24.4 (4.0) 0.34 (0.04)
    MultiFast 32.5 (3.0) 0.79 (0.08) −18.8 (4.2) 0.42 (0.05)
    SingleSlow 81.4 (3.6) 0.70 (0.06) −23.2 (3.9) 0.27 (0.03)
    MultiSlow 128.3 (12.1) 0.77 (0.09) −17.6 (4.3) 0.35 (0.03)
Younger Group B
    SingleFast 20.8 (1.1) 0.90 (0.10) −8.8 (6.0) 0.51 (0.06)
    MultiFast 33.5 (3.1) 0.80 (0.10) −5.2 (5.0) 0.53 (0.05)
    SingleSlow 205.1 (10.2) 0.92 (0.08) −13.3 (4.8) 0.35 (0.03)
    MultiSlow 397.6 (26.6) 0.66 (0.06) −12.2 (4.2) 0.44 (0.03)
Older Group
    SingleFast 55.2 (6.0) 0.88 (0.09) −10.1 (5.8) 0.54 (0.09)
    MultiFast 129.1 (19.6) 0.90 (0.13) 0.3 (5.7) 0.70 (0.11)
    SingleSlow 217.4 (24.5) 0.93 (0.10) −9.8 (6.5) 0.57 (0.08)
    MultiSlow 413.0 (35.1) 0.93 (0.11) −1.4 (6.1) 0.61 (0.07)