Amber is given a Stanford-Binet intelligence test. Her mental age is determined to be 14, and her chronological age is 10. Which of the following is true of Amber?
A) Her IQ score is 86.
B) Her IQ score is about average.
C) Her IQ score is below the majority of the population.
D) Her IQ score is above the majority of the population.

Question

Quizplus · Accepted Answer

Amber's IQ is calculated using the formula: (Mental Age / Chronological Age) * 100. So, (14 / 10) * 100 = 140. An IQ score of 140 is significantly above the average IQ score of 100, indicating she is above the majority of the population in intelligence.

Amber Is Given a Stanford-Binet Intelligence Test