Wechsler IQ Test

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This is the full 12-minute, 50-question version of the Wechsler IQ Test.

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A slightly more manageable size…this is the 5-minute, 10-question version of the Wechsler IQ Test.

WAIS-IV

Learn everything you need to know Wechsler Adult Intelligence Scale.

What is the Wechsler IQ Test?

For more than 50 years, the Wechsler IQ test has been administered to find the intellect of adults and children alike. It is one of the most widely used criteria in the evaluation of one’s intelligence. The current model is in the fourth edition, which is the WAIS-IV. David Wechsler, renounced psychologist, is responsible for creating this examination. In 1939, it was initially called the Wechsler Bellevue Scale, but it was revised 15 years later and renamed WAIS.

Wechsler is a Romanian-American psychologist who was born on Jan 12, 1896, in Romania. His family relocated to the states in New York when he was just a boy. He earned a Master’s Degree from Columbia University in 1917. By 1925, his further delve into education earned him a Ph.D.

It was Robert S. Woodworth that first took a chance on the young psychologist. Woodworth was a big shot in the United States Army, and he was overwhelmed by the number of soldiers that were experiencing mental issues after the war. Working alongside of Charles Spearman and Karl Pearson, Wechsler was to develop testing to help the army screen new draftees. However, things took a very different turn.

Helping Soldiers from WWI Gave Wechsler His Start

Wechsler dedicated himself to the study of memory loss in soldiers from WWI. His curiosity built a foundation to test the very intelligence of his patients. Studying the brain was a fascinating undertaking, so he expanded his test to include children. He felt the very formation of the intellect could help him resolve the current problems with memory loss.

What he found was mind-blowing. The IQ of a person is directly predisposed to the atmosphere in which they live. Biological and environmental influences can dictate a person’s intellect. Wechsler knew that many factors affected intelligence, but he also found that persistence had a sizable effect too. He realized that one test would not accommodate all age groups, so he developed a series that would be used for all ages.

Taking The Wechsler IQ Test

The Wechsler Adult Intelligence Scale provides four individual index scores for the major components of intelligence:

  • Verbal Comprehension Index
  • Perceptual Reasoning Index
  • Working Memory Index
  • Processing Speed Index

The subtests for each index are compiled to derive two broader intelligence scores – Full Scale IQ and General Ability Index. The Full Scale IQ is comprised of the scores from all four indexes while the General Ability Index includes only the six subtests related to the Verbal Comprehension Index and the Perceptual Reasoning Index. The Wechsler IQ test has 10 core and 5 supplemental subtests divided into separate sections. A score is given for each subtest, and then it is averaged into an overall full-scale IQ.

The Three Test Categories

To accommodate the various ages, the test is divided into three groups, they are:

  • WPPSI – Wechsler Pre-School & Primary Scale of Intelligence – test covers children from three years of age through seven years.
  • WISC – Wechsler Intelligence Scale for Children – test covers children from seven years of age through 16 years.
  • WAIS – Wechsler Adult Intelligence Scale – test covers teenagers from 16 years of age through adulthood.

The Oral WAIS scales contains questions about material based on general knowledge. It also covers:

  • Math
  • Vocabulary
  • Comprehension
  • Identifying Similarities
  • Digital Span

On the performance section of the WAIS, it includes pictures successions as well as:

  • Image Arrangements
  • Block Design
  • Digital Symbols
  • Object Assembly

Is Taking an IQ Test Necessary?

Going back to the theories of Dr. Wechsler in 1939, intelligence is used to study many things about a person. In a child, parents and teachers can use a test of this magnitude to determine the child’s mental capacities. A child whose IQ is above 115 would benefit from special classes to help them with their above average thought processes. On the opposite end of the spectrum, a child whose IQ falls below 80 may need additional services, and traditional classrooms may not work. This test is beneficial in providing cognitive functioning ranges that are measurable and easy to understand.

When it comes to older teenagers and adults, having a high IQ can be an enjoyable conversation starter. For some, it can bring answers to life-long problems, and for others, it’s just fun to know where they stand. The WAIS subscales are very useful in helping a person to choose a career path. Some colleges are interested in a person’s IQ score more so than their GPA. The IQ can give many answers to commonly asked questions about a person. If nothing more, the curiosity of having this information is entertaining.

The Popularity of the Wechsler Test

Many counties around the world use this test in an adapted version. The scale has been adjusted to make it culturally fair. Version four was released in 2008, which is the most recent version in use. Scoring models found that the standard IQ ranges from 85 through 115. Shockingly, nearly 70 percent of the population falls within these categories.

The actual full-scale test is lengthy, and sometimes it is difficult for children and adults to sit through. Thus, an abbreviated version has been developed of late. The scaled down version provides an accurate assessment of intelligence, but it takes less than a half an hour. Some clinicians use the Stanford Binet IQ test, but The Wechsler Test remains the “go to” examination around most of the world.

Individuals that are not linked with a psychologist can still take the test. There are online versions that can suffice. While there are dozens of assessments that can measure one’s intelligence, few have the historical significance and the evolution of this examination.

Dr. Wechsler dedicated his life to the study of the brain, and generations long after are still using his research as a diagnostic tool. He remains just as prevalent in death as he did in life. He passed on May 2, 1981, at the age of 85. He is the 51st most quoted mental health professional of the 20th century.

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