The WISC-IV Manual Contains Separate Norms for Block Design,with and Without

Multiple Choice

The WISC-IV manual contains separate norms for Block Design,with and without time bonuses.This was done because

A) separate norms for male and female test-takers had been needed.
B) certain cultures value speeded tasks more than others.
C) it has long been known that many examiners in rural areas do not administer the WISC-IV using a stopwatch.
D) Block Design may be used as a supplemental subtest.