Herrnstein and Murray argued that intelligence was measurable by IQ tests, stable over the lifetime of the individual, largely heritable, and predictive of a variety of social outcomes (even when confounding factors were controlled) such as income, crime, health, and rates of marriage [3].
nytimes.com
Jason DeParle, «Daring Research or 'Social Science Pornography'?: Charles Murray», The New York Times, October 9, 1994, [lire en ligne]