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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Accid Anal Prev. 2012 Apr 5;49:410–418. doi: 10.1016/j.aap.2012.03.009

Figure 4. Sample non-linear functions from both subject groups.

Figure 4

d’ (from COG) = mean of each distribution of the decision variable relative to a center of gravity (COG)

(V+H) = sensory modality condition of vision + hearing

S101, S102, and S108 = subject ID codes for 3 normally-sighted subjects

S203, S204, and S205 = subject ID codes for 3 visually-impaired subjects