The WAIS-IV is an improvement over its predecessor,the WAIS-III in that the WAIS-IV
A) has a higher ceiling.
B) has a lower floor.
C) requires less time to administer.
D) All of these

Question

Quizplus · Accepted Answer

The WAIS-IV has a higher ceiling (meaning it can test higher levels of intelligence), a lower floor (meaning it can test individuals with lower cognitive abilities), and requires less time to administer than the WAIS-III. Therefore, all of these options are correct.

The WAIS-IV Is an Improvement Over Its Predecessor,the WAIS-III in That