Instances where individuals take the same intelligence test twice, and receive a higher score the second time, can be explained by the Barnum effect.

Question

Quizplus · Accepted Answer

The Barnum effect refers to the tendency of individuals to believe that vague and general descriptions apply specifically to them, rather than to a larger group. It does not explain improvements in intelligence test scores upon repeated testing, which may be attributed to practice effects or increased familiarity with the test format.

Instances Where Individuals Take the Same Intelligence Test Twice, and Receive