General Ability Index (GAI)

An alternative overall score to the Full Scale Intelligence Quotient (FSIQ) for the Wechsler Intelligence Scale for Children (WISC). The GAI is a useful estimate of a student’s overall ability if better overall indicator of a student’s functional ability If a great deal of difference exists between the four scores that make up the FSIQ: verbal comprehension, perceptual reasoning, processing speed and working memory.

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