This letter reports on a research study in which five students (initially identified as severely mentally retarded and/or autistic) were tested with and without the use of facilitated communication while facilitators were prevented from hearing the test questions. Positive results for four of the students raise issues about accurate educational…

To date, research, development, and implementation efforts in responsiveness to intervention (RTI) approaches have focused on prevention and often identification of learning disabilities. In this article, the authors extend the conversation to considering an RTI-type approach as being useful in changing the way prevention and identification of…

Discusses how clinicians and researchers can critically evaluate information from efficacy studies of language intervention programs. It argues for combining both experimental and nonexperimental approaches and suggests that the use of matching in nonrandomized studies allows for comparison of groups of children participating in an intervention…