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Initial evaluation of the Consent Support Tool: A structured procedure to facilitate the inclusion and engagement of people with aphasia in the informed consent process

Jayes, Mark ORCID logoORCID: https://orcid.org/0000-0002-0371-7811 and Palmer, Rebecca (2014) Initial evaluation of the Consent Support Tool: A structured procedure to facilitate the inclusion and engagement of people with aphasia in the informed consent process. International Journal of Speech-Language Pathology, 16 (2). pp. 159-168. ISSN 1754-9507

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Abstract

This study evaluated the Consent Support Tool (CST), a procedure developed to identify the optimum format in which to present research information to people with different severities of aphasia, in order to support their understanding during the informed consent process. Participants were a convenience sample of 13 people with aphasia who had mixed comprehension ability. The CST was used to profile each participant's language ability and identify an information format that should maximize her/his understanding. Next, participants were shown information presented in three formats: standard text and two ‘aphasia-friendly’ versions providing different levels of support. Participants’ understanding of the information was measured for each format. The format recommended by the CST was compared with the format observed to maximize understanding for each participant. The CST accurately predicted the optimum format for 11/13 participants and differentiated people who could understand fully with support from those who could not in 12/13 cases. All participants interviewed (10/10) found the adapted formats helpful and 9/10 preferred them to the standard version. These findings suggest that the CST could usefully support researchers to determine whether a person with aphasia is likely to be able to provide informed consent, and which information format will maximize that individual's understanding. The CST and different information formats are available as Supplementary Appendices to be found online at http://www.informahealthcare.com/doi/abs/10.3109/17549507.2013.795999.

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