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In 1912, Henry Goddard sighted the Kallikak family as proof of his theory that mental retardation was hereditary. J. David Smith examines Goddard's evidence and looks at how Goddard's theory has shaped government policies.
In 1912, Henry Goddard sighted the Kallikak family as proof of his theory that mental retardation was hereditary. J. David Smith examines Goddard's evidence and looks at how Goddard's theory has shaped government policies.