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In other words, Bratsberg and Rogeberg showed that the anti-Flynn effect does not substantially result from immigration or dysgenics—but rather stems from some broad, environmental factor.

According to that theory, called “dysgenics,” people with more intelligence will spend more years in school, on average, and this extra time spent on education correlates with having fewer babies.

Although he had no formal training in genetics or psychology, he began to formulate a theory of what he called dysgenics.

Senate on the dysgenics platform and came in eighth.

If a Mr. William Shockley were to expound upon his theory of dysgenics, would he command the same audience and credibility as "Stanford University Professor William Shockley, a Nobel prizewinner"?