On the Stanford-Binet Intelligence Scale, Susan answered fewer items correctly than her friend Keri. Yet, Susan's IQ score was higher than Keri's. How can this be possible?
A)Susan is older than Keri.
B)Susan is younger than Keri.
C)Susan and Keri are the same age.
D)None of these.

Question

Quizplus · Accepted Answer

The Stanford-Binet Intelligence Scale takes age into account when calculating IQ scores. If Susan is younger than Keri, she may have a higher IQ score despite answering fewer items correctly because her performance is being compared to a younger age group.

On the Stanford-Binet Intelligence Scale, Susan Answered Fewer Items Correctly