Which of the following statements is true about intelligence quotient?
A) The average IQ score varies from age group to age group.
B) About two-thirds of all IQ test-takers score between 85 and 115.
C) The distribution of IQ scores in the general population is asymmetrical and shaped like a ski jump.
D) Very high and very low IQ scores are the most common in the general population.

Question

Quizplus · Accepted Answer

About two-thirds of all IQ test-takers score between 85 and 115. This is known as the average range for IQ scores. While the average IQ score may vary slightly between different age groups, option A is not completely true. Option C is also incorrect as the distribution of IQ scores in the general population is symmetrical and bell-shaped, not asymmetrical and shaped like a ski jump. Option D is also incorrect as very high and very low IQ scores are actually quite rare in the general population.

Which of the Following Statements Is True About Intelligence Quotient