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. Author manuscript; available in PMC: 2015 May 18.
Published in final edited form as: Accid Anal Prev. 2013 Feb 12;61:63–70. doi: 10.1016/j.aap.2013.02.003

Figure 1. Experimental Research Design.

Figure 1

Each participant drove three times, with each drive consisting of merging into three various levels of traffic flow (for a total of 9 parts). The traffic flow levels (LOS A, C, and E) and distraction conditions (texting, cell phone, and no distraction) were presented in random order.