Editorials and commentary
External Validity Reporting in Prevention Research

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Cited by (18)

  • Telephone-delivered interventions for physical activity and dietary behavior change: An updated systematic review

    2012, American Journal of Preventive Medicine
    Citation Excerpt :

    Studies included were those that met the following criteria: (1) the intervention targeted physical activity and/or dietary behavior change in adults; (2) the telephone was the predominant method of intervention delivery (i.e., at least 50% of the total number of intervention contacts were conducted by telephone); (3) physical activity and/or dietary behavior outcomes were reported; and (4) a control or attention–control group was included. The final criterion was not applied to clearly defined dissemination studies (i.e., studies of interventions that previously had been found to be efficacious in RCTs being tested in applied, community-based settings), where pre–post designs are common, and randomization is sometimes not feasible or considered less of a priority than addressing issues of external validity in this phase of research.12,13,17–20 For studies that met the inclusion criteria, detailed information on study design, intervention features, and behavioral outcomes was extracted and tabulated.

  • Male circumcision and HIV prevention: Insufficient evidence and neglected external validity

    2010, American Journal of Preventive Medicine
    Citation Excerpt :

    One editorial concluded: “The proven efficacy of MC [male circumcision] and its high cost-effectiveness in the face of a persistent heterosexual HIV epidemic argues overwhelmingly for its immediate and rapid adoption.”6 This “Current Issue” review questions not the internal validity of the studies, but their external validity, an issue that has been discussed more generally in two commentaries,7,8 an editorial,9 and a systematic review of research on prevention trials10 in this journal. External validity is the issue that questions the generalization from the RCCT results to a policy of “immediate and rapid adoption” of circumcision of men across Africa.

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