Two sets of predictions were compared concerning the ability of 20 adults with profound, severe, or moderate intellectual disabilities to learn 15 everyday tasks. Predictions were made by caregivers who had worked with the participants for a minimum of 24 months and consideration of participant performance on the Assessment of Basic Learning Abilities (ABLA) test. Standardized training procedures were used to attempt to teach each task to each participant until a pass or fail criterion was met. Ninety-four percent of predictions based on ABLA performance were confirmed, and the ABLA was significantly more accurate for predicting client performance than were the caregivers. The utility of these results is discussed.

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