Introduction Research in the psychology of belief has developed spectacularly in the past two decades, and investigators and practitioners have profited some significant insights into the influence of devout convictions and practices on the psychological well-being of the one-by-one (Paloutzian & Park, 2005; Argument & Abu-Raiya, 2007; Spilka, Hood, Hunsberger, & Gorsuch, 2003). However, this area of investigation has focused nearly solely on Christian populations and mostly neglected persons from other customary beliefs, Islam in particular. Systematic, rigorous, and large-scale technical psychological study on Muslims has ...