Wechsler Intelligence Scale For Children

Wechsler Intelligence Scale for Children This is a very popular intelligence test for children aged 6 through 16. It is a normreferenced test of intelligence or aptitude (ability). This test should be only administered under the supervision of a registered psychologist. The testing time is approximately 1½ hours and the test is administered individually. Test results give three overall scores: Verbal Scale, Performance Scale, and Full Scale. The Verbal Scale is made up of 6 sub-tests Subtest

What It Measures

Information

Long range retention Memory of general information

Similarities

Analysis of relationships Logical and abstract thinking

Arithmetic

Ability to attend Retention of arithmetic concepts and processes

Vocabulary

Language development Level of abstract thinking

Comprehension Common sense Organization of knowledge Reasoning with abstractions Digit Span

Attention span Immediate auditory memory

The Verbal Scale depends a great deal on vocabulary, verbal reasoning and general information, and is much more closely correlated with classroom activities than the Performance Scale.

The Performance Scale on the revised version is also made up of 6 sub-tests. Subtest

What It Measures

Picture Completion

Alertness to environment Visual perception of relationships

Picture Arrangement Block Design

Visual sequencing

Object Assembly

Perception of whole/part relationships Visual-motor integration

Coding

Immediate visual-recall Visual-motor dexterity

Mazes

Planning and foresight Pencil control

Ability to perceive, analyze, synthesize and reproduce abstract designs

The Performance subtests are much more closely related to visual and perceptual reasoning and to motor activity. The Full Scale Score is what is generally referred to as one’s IQ. (Although this is an improper way to express it. There is no sound evidence that anything such as an IQ exists, and professionals will always refer to this number by what it really is: an IQ Test Score).

Kauffman Test of Educational Achievement This is an individual, norm-referenced test of achievement. The grade range is 1-12 and produces standard and percentile scores.

Peabody Picture Vocabulary Test – Revised This is a standardized, individual test of receptive single-word vocabulary, designed to assess an individual’s receptive vocabulary for English. The age range is 2½ - 40 years and it takes 10-20 minutes to administer. (Picture is presented to elicit a response.)