Wechsler Test Wechsler Processing Speed Index 3

Question 1

What is the supplemental Processing Speed subtest available on the WAIS-IV?

Accepted Answer

Cancellation

Answer

Cancellation is the supplemental PSI subtest on the WAIS-IV.

Question 2

Why are PSI subtests strictly timed?

Accepted Answer

Because speed of performance is the construct being measured

Answer

Timing is essential because the index measures the rate of processing itself.

Question 3

How might a physical motor impairment affect a PSI score?

Accepted Answer

It can lower the score independent of actual cognitive speed

Answer

Motor difficulties can depress PSI scores even when mental processing is intact, complicating interpretation.

Question 4

On the WISC-V, the Processing Speed Index is composed of which subtests?

Accepted Answer

Coding and Symbol Search

Answer

Like the WAIS-IV, the WISC-V PSI uses Coding and Symbol Search.

Question 5

A practice effect on PSI subtests upon retesting usually means the score will do what?

Accepted Answer

Increase somewhat due to familiarity

Answer

Familiarity with the format often produces a modest score increase on retesting.

Wechsler Test Practice Test