We report on a 20-year follow-up of 30 children with developmental delays identified at age 3. Our purpose was to assess the relationship of early indicators of delay to cognitive and personal–social status in young adulthood. Predictors were Developmental and Personal–Social factors derived from standardized tests and parent questionnaires administered when the children were 3 and 6 to 7. Outcome measures in young adulthood included standardized and project-developed questionnaires and interviews with young adults and parents. Findings indicate that prediction varies relative to the outcome assessed. Developmental status at 6 to 7 was a strong predictor of developmental status in young adulthood. However, personal–social outcomes were generally not predicted by Personal–Social factors in the early years.

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