Race and class intelligence gaps groups narrowed
Cornell UniversityIntelligence test scores among racial and socio-economic segments of American society are not growing ever wider, contrary to arguments in The Bell Curve, but are, in fact, converging, say Cornell University psychologists Wendy M. Williams and Stephen J. Ceci, based on analyses of national data sets of mental test scores. This is contrary to often-reported arguments that Americans are getting dumber because low-IQ parents are outbreeding high-IQ parents.