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Monastersky, Richard – Chronicle of Higher Education, 2008
In 1989, Hallam Hurt, a neonatologist in Philadelphia, started recruiting poor inner-city women for a study of how cocaine use during pregnancy affects the developing fetus. Dr. Hurt enrolled women who had used cocaine while pregnant and balanced them against a control group of equally poor women who had not taken any drugs. Years later, when the…
Descriptors: Socioeconomic Status, Correlation, Intelligence Quotient, Control Groups