Training affects PS by affecting knowledge, but also affects PS through incentives by providing auditors with knowledge of incentives. Training results in the most learning when it includes explanatory feedback (Bonner and Walker 1994) or auditors who have the knowl-edge to self-explain outcome feedback (Earley 2001). Prior research provides evidence that training can be used to enhance auditors’ knowledge of frequencies and error categories (Butt 1988; Nelson 1993; Nelson et al. 1995; Bonner et al. 1996, 1997), suggesting that PS could be enhanced by having training highlight errors as opposed to nonerrors. Training about fraud indicators increases performance of students (Choo and Tan 2000; Carpenter et al. 2002) and experienced auditors (Fullerton and Durtschi 2005).