“…In one study, poor performance on the Everyday Problems Test (Willis, Jay, Diehl & Marsiske, 1992), an untimed test about problem-solving in daily living skills, was shown to be a significant risk factor for driving cessation (HR = 1.59, P < 0.001) (Ackerman, Edwards, Ross, Ball & Lunsman, 2008). In another recent study, scores on the Assessment of Motor and Process Skills (Fisher, 1995) correctly identified older adults who failed the on-road evaluation or needed additional evaluation 87% of the time (using cut-off values of 1.2 logits for motor scores and 1.0 logits for process scores) (Dickerson, Reistetter & Trujullo, 2010).…”