“…Although mismatch concepts have been raised in biology (e.g., Schlaepfer, Runge, & Sherman, 2002), economics (Burnham, 2016; Kanazawa, 2004), health (Buss, 2000), medicine (Nesse & Williams, 1994), and social (Maner & Kenrick, 2010), cognitive (Tooby & Cosmides, 1990), and organizational (Spranger, Colarelli, Dimotakis, Jacob, & Arvey, 2012; van Vugt & Ronay, 2014) psychology, there has been little or no systematic organization of core principles, evidence, and implications for psychology. The purpose of this article is to fill that gap.…”