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Last Update Date: 30 April 2021

The Wechsler Intelligence Scale for Children (WISC) is an intelligence test developed by David Wechsler in 1939. Also known as the Wechsler test, it was first administered for adults but has since been adapted to include children. Today, the Wechsler test is an individually administered IQ test for children between the ages of 6 and 16, taking around 60 to 85 minutes to complete.

what is wechsler test

The Wechsler tests are comprised of two groups of subtests, which are performed one after the other.

  • Verbal Intelligence Groups
  • Performance Intelligence Groups

There are six tests each for both groups.

Questions Asked in the Verbal Intelligence Group Subtest:

  1. Information: This section measure the child’s general knowledge, which would have been acquired from their daily life.
  2. Similarities: This measures the child’s ability to form general and abstract concepts.
  3. Arithmetic: The child is given arithmetic problems that must be solved within a limited amount of time.
  4. Vocabulary: This measures the number of words in the child’s vocabulary. It is performed in their native language.
  5. Comprehension: This test the child on a range of logic and reasoning problems.
  6. Digit Span: The child is given questions to test their immediate auditory recall.

Questions Asked in Performance Intelligence Group Subtest:

  1. Picture completion: The child is presented with small pictures and asked to fill in the missing details.
  2. Picture Arrangement: The child is presented with small pictures and must determine the ‘cause and effect’ relationship between them.
  3. Block Design: The child is required to create 3-D objects from cubes.
  4. Digit Symbol: The child is asked to decode mixed pictures as fast as they can.
  5. Object Assembly: The child is given jigsaw-type puzzles to sort. This measures hand-eye coordination.


The Wechsler test can only be performed by certified individuals or institutions. We suggest visiting the Mensa website, where you can ask your country-specific Mensa representative for more information on where to take the local Wechsler test.

The Wechsler test is commonly conducted in educational institutions and hospitals. However, please keep in mind that a Wechsler-certified specialist will be required to perform the test for your child.


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