 A result that has been replicated repeatedly is that, when the vignette describes a norm violation, subjects indicate that they agree more strongly that the action violating the norm was performed intentionally. While this finding could be used by proponents of the negative program to undermine the conceptual coherence of our notion of moral responsibility, experimental moral philosophers working in the positive program have taken up the task of explaining the asymmetry by postulating models of unobservable entities that mediate, explain, and perhaps even rationalize the asymmetry. A discussion of several attempts to do so follows; each offers a different explanation of the asymmetry, but all represent vindications or at least rehabilitations of our intuitions about intention.