Wechsler Test Wechsler Processing Speed Index 2

Question 1

Which two core subtests make up the Processing Speed Index (PSI) on the WAIS-IV?

Accepted Answer

Symbol Search and Coding

Answer

Block Design and Matrix Reasoning

Answer

Digit Span and Arithmetic

Answer

Vocabulary and Similarities

Question 2

What cognitive ability does the Processing Speed Index primarily measure?

Accepted Answer

Speed of mental and graphomotor processing of simple visual information

Answer

Long-term memory storage

Answer

Abstract verbal reasoning

Answer

Spatial visualization of 3D objects

Question 3

On the Coding subtest, what is the examinee asked to do?

Accepted Answer

Copy symbols paired with numbers using a key, as fast as possible

Answer

Recall a list of digits backward

Answer

Arrange blocks to match a design

Answer

Define a series of words

Question 4

What does the Symbol Search subtest require the examinee to do?

Accepted Answer

Indicate whether target symbols appear in a search group

Answer

Repeat sentences verbatim

Answer

Solve arithmetic word problems

Answer

Identify missing parts of pictures

Question 5

A very low PSI score with average scores on other indexes most often suggests difficulty with which area?

Accepted Answer

Speed and efficiency of visual-motor performance

Answer

Crystallized knowledge

Answer

Verbal comprehension

Answer

Fluid reasoning

Question 6

Which condition is commonly associated with reduced Processing Speed Index scores?

Accepted Answer

ADHD and certain learning disabilities

Answer

Color blindness

Answer

Perfect pitch

Answer

Hyperlexia only

Question 7

The Processing Speed Index contributes to which broader composite score?

Accepted Answer

The Full Scale IQ (FSIQ)

Answer

Only the Verbal Comprehension Index

Answer

The General Ability Index exclusively

Answer

None; it is reported alone