A recent study by Beilock, Reidell, and McConnell (2007) suggested that stereotype threat experienced in one domain (e.g., math) triggered by knowledge of a negative stereotype about a social group in that particular domain can spill over into subsequent tasks in totally unrelated domains (e.g., reading). The authors suggested that these findings…

Fifty-eight studies relating to the "knowledge gap" hypothesis (a theory that correlates public knowledge to educational level and mass media exposure) are examined in this report. In the opening sections, the theory is defined, and the early information diffusion studies and public opinion polls that led to its formulation in 1970 are…