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Screening clients for an augmentative and alternative communication clinic: a multitrait-multimethod approach
K A Ellis-Hale1, J Goyder, J P Hirdes
1Freeport Hospital, Kitchener, Ontario.
Evaluation & the Health Professions
|February 7, 1995
Summary
This study evaluated new questionnaires for adult Augmentative and Alternative Communication (AAC) users. The findings support the reliability and validity of these tools for clinical use and policy development.
Area of Science:
- Speech and Language Pathology
- Rehabilitation Medicine
- Health Services Research
Background:
- Augmentative and Alternative Communication (AAC) services aim to support individuals with communication impairments.
- Limited evaluative research exists for adult AAC users.
- Freeport Hospital established an AAC Clinic for adults, developing new questionnaires.
Purpose of the Study:
- To assess the reliability and validity of three novel measures within the AAC Clinic's Background Information Questionnaire.
- To provide evidence for the clinical application and policy development of these measures.
Main Methods:
- A multitrait-multimethod (MTMM) design was employed.
- The study focused on three novel measures from the AAC Clinic's Background Information Questionnaire.
- The target population was adult AAC users.
Main Results:
- The study evaluated the reliability and validity of the new AAC questionnaires.
- Results indicate the measures are suitable for their intended purpose.
Conclusions:
- The novel measures demonstrate acceptable reliability and validity for adult AAC users.
- Findings support the use of these questionnaires in clinical practice and for informing policy development in AAC services.