University at Buffalo Department of Communicative Disorders & Sciences Communication and Assistive Device Laboratory (CADL) 122 Cary Hall Buffalo, NY 14214 (716) 829-2797 aac.buffalo.edu Tool for Evaluating Communication Rate in Interactive Contexts Jennifer L. Cornish Department of Linguistics and D. Jeffery Higginbotham Department of Communicative Disorders and Sciences The authors wish to acknowledge support from the National Institute on Disability and Rehabilitation Research of the U.S. Department of Education under grant #H133E980026. The opinions expressed are those of the authors and do not necessarily reflect those of the supporting agency. Jennifer L. Cornish & D. Jeffery Higginbotham (2000). Do not copy or cite without expressed permission from the authors.