Topic: Flynn Effect

2 chapters across the catalog

85: Overman
• 1:50:15 - 1:53:41

85: Overman

The Flynn Effect and Environmental Impacts on IQ

The "Flynn Effect"—the phenomenon of IQ scores rising over generations—is discussed as evidence that environment (nutrition, healthcare, education) plays a larger role than inherited traits. The hosts argue that the "lizard" view of humans as "Chromebooks" with fixed hardware is flawed, as it ignores the impact of diet and the "nurture" process on cognitive development.

85: Overman
• 2:56:26 - 3:01:33

85: Overman

Charles Murray on the "Intractable" IQ Gap

Charles Murray, co-author of *The Bell Curve*, discusses the "intractable" 15-point IQ gap between Black and White populations. Murray acknowledges the "Flynn Effect" but argues that the gap has not narrowed significantly since the early 20th century. He claims that while academic tests showed some narrowing in the 70s and 80s, pure IQ tests like the Stanford-Binet continue to show a one-standard deviation difference.