This volume is the first sustained examination of epistemic situationism: the clash between virtue epistemology and the situationist hypothesis inspired by research in empirical psychology. Situationism began as a challenge to the psychology of character traits, targeting ethical theories that presuppose a trait psychology. Psychological research suggests that (often trivial) environmental variables have greater explanatory power than character traits. Epistemology pursues questions about the nature of knowledge. While there are internal differences within virtue epistemology between...