“…That is, does it exist independent of an experient or is it a quality of human experience that can be explained in similar terms to other areas of human functioning and experience (e.g., it is a product of biology, learning, socialization, and psychical dynamics)? This issue is really a question of metaphysics (i.e., it concerns whether or not the so-called "transcendent" is supernatural and, as such, knowable) 2 and, as has been argued by Slife, Hope, and Nebeker (1999) as well as myself (MacDonald & Friedman, 2001), this issue has not been adequately addressed in current scientific approaches to spirituality. In fact it has been essentially ignored, with some prominent researchers (e.g., Pargament, 1997) advocating for the functional study of religious and spiritual phenomena in lieu of substantive approaches aimed at testing the verdicality of claims of the reality of the transcendent and the existence of a higher power or intelligence.…”