The Stanford-Binet WAIS-R and WISC are known to have very high reliability. This means that

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The Stanford-Binet WAIS-R and WISC are known to have very high reliability. This means that

The result of the test will be distributed on a bell shaped curve

The test measures what it is supposed to measure

A pretest has been given to a representative

The test yields consistent results for example-retesting