Spearman Inferred the Existence of a "G" Factor in Intelligence

question 155

Multiple Choice

Spearman inferred the existence of a "g" factor in intelligence because of his evidence that, on the average,

• A) people who live in prosperous countries do better on IQ tests than those in poorer and less educated countries.
• B) each generation of people scores higher on IQ tests than the last generation.
• C) people who do well on a test of one ability also do well on tests of other abilities.
• D) high-IQ parents tend to have high-IQ children.