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Psychometrically robust

Outcome measures for people with aphasia should be suitable to the construct being measured and psychometrically robust (reliable, valid and sensitive).

Reference: N/A
NHMRC level of Evidence: GPP

Measuring changes in aphasia requires testing that is “reliable enough to give consistent measures; sensitive enough to measure the improvement that the particular therapy involved is intended to produce; and valid so that it measures changes that are of real consequence in the patients’ lives” (Howard & Hatfield, 1987, p. 113). Reliability, validity and responsiveness have widespread usage and are discussed as being essential to the evaluation of outcome measures (Salter, Teasell, Bhogal, Zettler, & Foley, 2012). Many outcome measures used within stroke rehabilitation have been assessed across these domains in the Evidence-Based Review of Stroke Rehabilitation (EBRSRS) relating to outcome measures


  1. Howard, D., & Hatfield, M. (1987). Aphasia Therapy: historical and contemporary issues. London: Lawrence Erlbaum Assoc.
  2. Salter, K., Teasell, R., Bhogal, S., Zettler, L., & Foley, N. (2012). Aphasia. Evidence-based reviews of stroke rehabilitation.


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Professor Linda Worrall
The University of Queensland
ST LUCIA QLD 4072   



The University of Queensland
La Trobe University
Macquarie University
The University of Newcastle
The University of Sydney
Edith Cowan University