Should research samples reflect the diversity of the population?

ALLMARK, P. J. (2004). Should research samples reflect the diversity of the population? Journal of medical ethics, 30 (2), 185-189.

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    Link to published version:: 10.1136/jme.2003.004374

    Abstract

    Recent research governance documents say that the body of research evidence must reflect population diversity. The response to this needs to be more sophisticated than simply ensuring minorities are present in samples. For quantitative research looking primarily at treatment effects of drugs and devices four suggestions are made. First, identify where the representation of minorities in samples matters - for example, where ethnicity may cause different treatment effects. Second, where the representation of a particular group matters then subgroup analysis of the results will usually be necessary. Third, ensuring representation and subgroup analysis will have costs; deciding on whether such representation is worthwhile will involve cost benefit analysis. Fourth, the representation of minorities should not be seen as mainly a locality issue. For qualitative research it is argued that the representation of diversity is often important. Given the small samples of many qualitative projects, however, the best way to ensure representation occurs is to allow a proliferation of such research, not to stipulate such representation in samples.

    Item Type: Article
    Additional Information: The final version of this paper has been published in the Journal of medical ethics, 30(2), 2004 © BMJ Publishing Group: http://jme.bmj.com
    Research Institute, Centre or Group: Centre for Health and Social Care Research
    Identification Number: 10.1136/jme.2003.004374
    Depositing User: Caroline Fixter
    Date Deposited: 30 Mar 2010 11:59
    Last Modified: 21 Dec 2010 11:34
    URI: http://shura.shu.ac.uk/id/eprint/1376

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