Objective: To evaluate whether the positive illusory bias explains the self-evaluations of driving and work behaviors in college students with ADHD. Method: A total of 103 students with ADHD were compared to a sample of 94 students without ADHD. Both groups completed self-reports of their specific driving and work behaviors and then rated their overall, global performance in each area. Three specific-to-global change scores were obtained (one measuring work and two measuring driving) that were thought to be measures of the positive illusory bias. These specific-to-global change scores were analyzed using chi-square to evaluate differences between participants with and without ADHD. Results: The participants with ADHD were significantly more likely than the participants without ADHD to engage in the positive illusory bias on two of the three work and driving ratings. Conclusion: College students with ADHD demonstrate self-evaluations that appear to reflect the positive illusory bias and that may be related to their academic functioning in the college setting and willingness to receive treatment. (J. of Att. Dis. 2010; XX(X) XX-XX)