DESCRIPTION OF AN INTELLIGENCE TEST
We take
an example of intelligence test, Weshsler test
The Weshsler Bellevue Intelligence Scale(WBIS), published in
1939, was developed and standardized by David Weshsler of Bellevue
Psychiatric Hospital. The test was first revised in 1955 and three different
scales come into existence. They are:
(a) The
Weshsler Pre-school Scale of intelligence (WPPSI) – designed for the 4 to 6
years old children to assess their global
intellectual capacity.
(b) The
weshsler Intelligence Scale for children (WISC) – designed for the school
children in the age group 6 to 16 years.
(c) The
Weshsler Adult Intelligence Scale (WAIS)- designed for adults in the age group 16 to 64 years.
The
Weshsler Adult Intelligence Scale (WAIS)
The test consists of 11
sub-tests. The sub-tests are grouped into two categories – verbal scale and performance
scale.
A. Verbal
Scale: It contains the following 6 sub-tests:
1. Test of general
information: It tests factual knowledge about nature, geography and historical
events.
2. Test of
general comprehension: It tests understanding of social conventions, rules,
familiar saying and so on
3. Test of digit
span: It tests simple rote memory for a digital series.
4. Test of arithmetic:
It tests mathematical reasoning and computation.
5. Test of
distinction between similarities: Detecting relations among objects and
concepts.
6. Test of vocabulary:
It tests the ability for detecting words of varying difficulty.
B.
Performance Scale: It contains the following 5 sub-tests:
1. Picture
arrangement test: Putting a set of pictures in order so that they tell a
coherent story.
2. Picture
completion test: Finding missing parts of pictures that are otherwise complete.
3. Block design test:
Arranging coloured block into a design that matches one that is pictured on a card
4. Object
assembly test: Card cut-outs are to be assembled to make a familiar object.
5. Digit symbol
test : Learning to use a coding system in which nonsense symbols represent
numbers.
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