Research ArticleOriginal Research

An Assessment of the Hawthorne Effect in Practice-based Research

Douglas H. Fernald, Letoynia Coombs, Lauren DeAlleaume, David West and Bennett Parnes
The Journal of the American Board of Family Medicine January 2012, 25 (1) 83-86; DOI: https://doi.org/10.3122/jabfm.2012.01.110019

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  • Table 1.

    Comparison of Clinical Management of Skin and Soft Tissue Infections Between Observed and Comparison Clinicians

    OutcomeObserved Clinicians (n = 14)Comparison Clinicians (n = 77)P*
    Abscess Cases (n)21127
        Cases with antibiotics prescribed (n [%])9 (42.9)60 (47.2).7089
        Cases with procedures performed (n [%])1 (4.8)6 (4.7).994
        Cases with cultures obtained (n [%])2 (9.5)19 (15.0).5083
        Cases with antibiotics that cover MRSA (n [%])3 (33.3)29 (48.3).4001
    Cellulitis with/without abscess (n)2501008
        Cases with antibiotics prescribed (n [%])105 (47.0)465 (43.1).2402
        Cases with antibiotics that cover MRSA (n [%])42 (40.0)180 (38.7).8065

    • ↵* Ponly calculated for proportions or mean values.

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