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. 2017 Jan 24;5:e2862. doi: 10.7717/peerj.2862

Table 2. Regression analysis (N = 185).

Predictors Accuracy Log transformed response times
Estimate Z P Odds Ratio 99% CI Estimate T P
Intercept 1.28 22.13 <.001 [3.10, 4.17] 0.28 36.75 <.001
Target lines 0.82 23.88 <.001 [2.08, 2.48] −0.06 −46.82 <.001
Continued lines −2.24 −36.67 <.001 [0.09, 0.13] 0.16 68.69 <.001
Closurea −0.25 −4.80 <.001 [0.68, 0.89] −0.04 −16.93 <.001
Symmetryb 0.40 7.77 <.001 [1.31, 1.70] 0.00 2.09 .04
Target lines × Continued lines 0.39 12.00 <.001 [1.35, 1.60] −0.03 −21.49 <.001
Closure × Continued lines 0.41 7.65 <.001 [1.31, 1.73] −0.00 −0.41 .68
Symmetry × Continued lines 0.12 2.31 .02 [0.99, 1.29] −0.00 −1.00 .32

Notes.

Number of target lines and number of continued lines were standardized. Due to this procedure the odds ratio can be interpreted as a measure of effect size independent of measurement scale.

a

Closed shapes = 1, open shapes = 0.

b

Symmetry = 1, asymmetry = 0.