As initially explained, this phenomenon happens when people use "global evaluations" unconsciously to alter their judgments about traits like intelligence or expertise.
This phenomenon was examined in a 1976 study by Efran and Patterson, which analyzed the outcomes of Canadian federal elections, while a 1991 study by Eagly and Ashmore found that this occurs to a greater degree with regard to women than men. In the classic experiment, this phenomenon was demonstrated by having college students watch a videotaped interview with an instructor who spoke in a strong Belgian accent. That experiment was conducted at the University of Michigan by Timothy Wilson and Richard Nisbett. As initially explained, this phenomenon happens when people use "global evaluations" unconsciously to alter their judgments about traits like intelligence or expertise. This cognitive bias is sometimes referred to as the "affect heuristic." FTP, name this psychological effect which can lead observers to assume that pretty people or nice people have other positive traits.
This phenomenon was examined in a 1976 study by Efran and Patterson, which analyzed the outcomes of Canadian federal elections, while a 1991 study by Eagly and Ashmore found that this occurs to a greater degree with regard to women than men.
{Halo effect} (or the {"affect heuristic"} before mentioned)