What Problem May Result from Using a Single Number as a Measure

Multiple Choice

What problem may result from using a single number as a measure of intelligence?

A) People may focus on increasing their intelligence to the exclusion of all other pursuits.
B) Teachers may not teach children with high IQs as well as they teach children with low IQs.
C) People are confused by the IQ score measure and are not sure about its actual meaning.
D) Stereotypes,generalizations and expectations may be formed on the basis of IQ scores.