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. 2014 Jan 29;34(2):163–185. doi: 10.1111/opo.12108

Table A1.

Experiment 2: Group mean parameter values from four methods of estimation

Blur B, min arc
1 2 4 8 16 32
Suppression range (B units)
 QAICc wtd mean 17.43 8.51 6.29 3.95 2.29 1.82
 5-parameter fit 17.25 8.56 6.35 3.99 2.28 1.86
 4-free, criterion = 1 17.23 8.36 6.17 3.91 2.29 1.79
 3-free, criterion = 1, q = 4 17.25 8.37 6.16 3.91 2.30 1.80
Fusion steepness, q
 QAICc wtd mean 3.92 3.70 4.54 3.74 3.87 4.03
 5-parameter fit 3.45 3.78 4.64 3.92 3.75 4.14
 4-free, criterion = 1 3.40 3.62 4.13 3.85 3.65 3.85
 3-free, criterion = 1, q = 4 4 4 4 4 4 4
Fusion range (B units)
 QAICc wtd mean 4.45 4.29 3.70 2.74 2.54 2.32
 5-parameter fit 5.01 4.17 3.61 2.66 2.56 2.30
 4-free, criterion = 1 5.04 4.56 3.87 2.92 2.46 2.34
 3-free, criterion = 1, q = 4 5.34 4.74 3.90 3.02 2.55 2.32
Positional noise (B units)
 QAICc wtd mean 0.91 0.75 0.69 0.52 0.44 0.59
 5-parameter fit 0.78 0.76 0.85 0.59 0.41 0.76
 4-free, criterion = 1 0.78 0.68 0.59 0.46 0.46 0.53
 3-free, criterion = 1, q = 4 0.81 0.68 0.60 0.50 0.48 0.56
Position criterion (B units)
 QAICc wtd mean 1.15 1.14 1.20 1.05 0.91 1.06
 5-parameter fit 1.00 1.13 1.44 1.19 0.94 1.34
 4-free, criterion = 1 1 1 1 1 1 1
 3-free, criterion = 1, q = 4 1 1 1 1 1 1