NoteThis article covers following important topics of “construct of Intelligence” for CTET, State TETs and other teaching recruitment exams.

Concept of Intelligence and Its Nature & Functions

Theories of Intelligence

Measurement of Intelligence & Types of Intelligence Test

Concept of Intelligence Quotient

Measurement of Intelligence

The goal of most intelligence tests is to measure g, the general intelligence factor. Good intelligence tests are reliablemeaning that they are consistent over time, and also demonstrate construct validitymeaning that they actually measure intelligence rather than something else.

Psychologists have devised many tests for the measurement of intelligence. For example:

  • Wechsler Adult Intelligence Scale (WAIS)
  • Stanford Binet IQ test
  • Bayley’s intelligence scale
  • Raven’s progressive matrices test

Wechsler Adult Intelligence Scale (WAIS)

The Wechsler Adult Intelligence Scale (WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents. The original WAIS (Form I) was published in February 1955 by David Wechsler, as a revision of the Wechsler–Bellevue Intelligence Scale, released in 1939.

Classification of Intelligence Tests

Intelligence tests are classified broadly as follows:

  1. Verbal or language tests: This makes use of instructions, questions and answers in written or oral. This includes items like vocabulary, memory, comprehension, information reasoning and association.
  2. Non-verbal or non language tests: Also known as performance tests make use of oral instructions and motor activities. The items included in the test are pictures completion, pictures arrangements, etc.
  3. Individual tests
    1. Individual verbal tests: These tests require the use of language and are given to only one individual at a time.
    2. Individual non verbal or Performance tests: These tests do not require the use of language and are given to only one individual at a time.
  4. Group tests
    1. Group verbal tests: These tests require the use of language and are applied to a group at a time.
    2. Group non-verbal tests: These tests do not require the use of language and are applied to a group at a time.

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