On the Stanford-Binet Intelligence Scale, Tom answered more items correctly than his friend Ted. Yet, Ted's IQ score was higher than Tom's. How can this be possible?
A)Tom is younger than Ted.
B)Ted is older than Tom.
C)Ted is younger than Tom.
D)none of these

Question

Quizplus · Accepted Answer

The Stanford-Binet Intelligence Scale takes age into account when calculating IQ scores. If Ted is younger than Tom, he may have answered fewer questions correctly but still achieved a higher IQ score because his performance is being compared to a younger age group.

On the Stanford-Binet Intelligence Scale, Tom Answered More Items Correctly