While the majority of students in schools tend to respond to effective general academic instruction and proactive schoolwide discipline systems, some continue to exhibit intense and chronic problem behaviors, even in the best schools. For these students, schools are highly variable in their ability and capacity to provide accurate and durable…

As a result of inherent cognitive and language difficulties, individuals with mental retardation/developmental disabilities often are considered difficult to assess appropriately. When cognitive and language difficulties occur in conjunction with behavioral issues, this difficulty is compounded. The IDEA requirement to include a form of…