The Flynn effect refers to the observation that
A) if a large group of children receive no formal education for an extended period, it will result in lower intelligence test scores among these children.
B) intelligence test scores steadily increased over a short time period across the world.
C) intelligence test scores steadily decreased over a short time period across the world.
D) intelligence test scores steadily increased for about 100 years, and then steadily decreased to the original point.

Question

Quizplus · Accepted Answer

The Flynn effect refers to the phenomenon of steadily increasing intelligence test scores across the world over a relatively short time period (around 20-30 years). This effect was first observed by James Flynn in the 1980s, and has been attributed to a variety of factors such as improvements in education, nutrition, and cognitive stimulation.

The Flynn Effect Refers to the Observation That