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. Author manuscript; available in PMC: 2013 Feb 11.
Published in final edited form as: Hum Factors. 2012 Aug;54(4):663–674. doi: 10.1177/0018720811435235

Figure 1.

Figure 1

Biplot of the two-factor solution for the Road Island Road Test (RIRT). RIRT items measuring road test performance are numbered in the same order as in Table 1.