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grad·ed ac·tiv·i·ty(grād'ĕd ak-tiv'i-tē)
A task that has been modified in one or more ways to provide an appropriate therapeutic demand or challenge for a client.
In occupational therapy, a principle of therapeutic intervention in which tasks are classified and gradually presented according to the patient's level of function and the challenge or degree of skill (physical, social, or cognitive) required by the task.
See also: activity