The widespread improvement in intelligence test performance during the past century is called
A) the bell curve.
B) the normal curve.
C) standardization.
D) the Flynn effect.

Question

Quizplus · Accepted Answer

The widespread improvement in intelligence test performance during the past century is known as the Flynn effect, which is named after James R. Flynn who observed this phenomenon in various countries. The other answer options are not related to the improvement in intelligence test performance.

The Widespread Improvement in Intelligence Test Performance During the Past