After reading Chapter 6, you should be able to:

• Summarize the key elements of the AAIDD definitions of intellectual disability from 1961 to 2010.
   
• Describe the concepts of intellectual ability and adaptive behavior.
   
• Explain four ways of classifying individuals with intellectual disability.
   
• Summarize society’s reaction to and treatment of individuals with intellectual disability.
   
• List examples of pre-, peri-, and postnatal causes of intellectual disability.
   
• Identify representative learning and social/behavioral characteristics of persons with intellectual disability.
   
• List the key features of the following instructional strategies: task analysis, cooperative learning, and scaffolding.
   
• Describe the goals of early intervention for young children with intellectual disability.
   
• Discuss contemporary services for adults with intellectual disability.