Twenty-Two Years presents the results of a unique longitudinal study of the first 22 years in the lives of more than 200 young people with varying degrees of mental retardation. By following their paths through available services, job histories, leisure activities, friendships, and marriages, the authors provide objective information about the quality of life of young people with mental retardation.

The book makes a unique contribution by determining what factors in childhood predict who will and who will not require mental retardation services and, for those who disappear...