The WPPSI-R differed from the WPPSI in that
A) it extended the age range of the WPPSI downward.
B) it extended the age range of the WPPSI upward.
C) it contained many items reflecting the CHC theory of intelligence.
D) Both a and b

Question

Quizplus · Accepted Answer

The WPPSI-R extended the age range of the WPPSI both downward and upward, making it suitable for children as young as 2 years and 6 months and as old as 7 years and 3 months. The test also contained items reflecting the CHC theory of intelligence, but this was not the main difference between the two versions.

The WPPSI-R Differed from the WPPSI in That