 And so too for those who favor NE: Naturalists join in rejecting one or more of the above features of traditional (non-naturalistic) epistemology. But different theories and theorists within NE reject—to varying extents, in different ways, and for different reasons—different combinations of these features, and so differ in how much distance is put between their specific view and traditional  epistemologies.[2]  The resulting variety among naturalistic theories is reflected in the various taxonomies that other commentators have offered. Thus, for example, Alvin Goldman (1994: 301–304) has distinguished between meta-epistemic, substantive and methodological versions of  NE:[3]