On an IQ test, a child named Phil scores a mental age of 7 years. What is his IQ score?
A) His IQ matches his chronological age.
B) His chronological age is 7 years.
C) The average age of people receiving that score is 7 years.
D) Phil got about seven questions right in each section of the test.
E) IQ scores cannot be calculated from the information that is provided.

Question

Quizplus · Accepted Answer

The information only provides Phil's mental age, which is not enough to calculate his IQ score. Additional information, such as the average mental age for a certain age group or the standard deviation of the test scores, would be needed to determine Phil's IQ score.

On an IQ Test, a Child Named Phil Scores a Mental