“…They become based on perceived prototypicality (called social attraction) rather than idiosyncratic preferences or personal relationships (called personal attraction), which is the social attraction hypothesis (Hogg, 1992(Hogg, , 1993; for direct empirical tests, see Hogg, Cooper-Shaw, & Holzworth, 1993;Hogg & Hains, 1996Hogg & Hardie, 1991;Hogg, Hardie, & Reynolds, 1995). Ingroup members are liked more than outgroup members because the former are perceptually assimilated to a relatively positive ingroup prototype, or because their prototypical similarity to self is perceptually accentuated, or because self-liking (self-esteem) is extended to embrace people who are to some extent now viewed as prototypical extensions of self.…”