AAMR/AAIDD Levels of Support

Intermittent - Support is not always needed. It is provided on an "as needed" basis and is most likely to be required at life transitions (e.g. moving from school to work).

Limited - Consistent support is required, though not on a daily basis. The
support needed is of a non-intensive nature.

Extensive - Regular, daily support is required in at least some environments
(e.g. daily home-living support).

Pervasive - Daily extensive support, perhaps of a life-sustaining nature, is
required in multiple environments.

Source: American Association on Mental Retardation. (1992). Mental retardation: Definition, classification, and systems of supports. Washington, D. C.: American Association on Mental Retardation.

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