When Performance Tests,rather Than Verbal Tests,are Used

Multiple Choice

When performance tests,rather than verbal tests,are used,

A) the IQ scores of both those who are hearing and those who are deaf are lower.
B) the IQ scores of those who are deaf are lower than those who are hearing.
C) the IQ scores of those who are deaf are higher than those who are hearing.
D) there is no difference in IQ scores between those who are deaf and those who are hearing.