Many people who are deaf or who cannot speak have problems of language development and literacy.
Research is needed to identify the best techniques to use to find solutions to such problems.
These people often have difficulty expressing their needs, interests and opinions using traditional linguistic techniques of listening, speaking, reading and writing, and require alternative communication systems such as sign language, use of visual symbols etc. Selecting the Appropriate Statistical Test - a simplified guide with worked examples. Course Notes for Psychology 2001 - Research Methods and Data Analysis, Mount Allison University, 1997. Department of Psychology, Mount Allison University, 1999-2000. Makaton International Web Site.