دانلود مقاله انگلیسی رایگان:مدل‌های علّی تأثیرات مشارکت در پژوهش حسابی زمان تخمین تأثیرات در یک کارآزمایی مداخله رفتاری - 2021
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  • Causal models accounted for research participation effects when estimating effects in a behavioral intervention trial Causal models accounted for research participation effects when estimating effects in a behavioral intervention trial
    Causal models accounted for research participation effects when estimating effects in a behavioral intervention trial

    سال انتشار:

    2021


    عنوان انگلیسی مقاله:

    Causal models accounted for research participation effects when estimating effects in a behavioral intervention trial


    ترجمه فارسی عنوان مقاله:

    مدل‌های علّی تأثیرات مشارکت در پژوهش حسابی زمان تخمین تأثیرات در یک کارآزمایی مداخله رفتاری


    منبع:

    ScienceDirect- Elsevier- Journal of Clinical Epidemiology, 136 (2021) 77-83: doi:10:1016/j:jclinepi:2021:03:008


    نویسنده:

    Marcus Bendtsen


    چکیده انگلیسی:

    Objective: Participants in intervention studies are asked to take part in activities linked to the conduct of research, including signing consent forms and being assessed. If participants are affected by such activities through mechanisms by which the intervention is intended to work, then there is confounding. We examine how to account for research participation effects analytically. Study design and setting: Data from a trial of a brief alcohol intervention among Swedish university students is used to show how a proposed causal model can account for assessment effects. Results: The proposed model can account for research participation effects as long as researchers are willing to use existing data to make assumptions about causal influences, for instance on the magnitude of assessment effects. The model can incorporate several research processes which may introduce bias. Conclusions: As our knowledge grows about research participation effects, we may move away from asking if participants are affected by study design, toward rather asking by how much they are affected, by which activities and in which circumstances. The analytic perspective adopted here avoids assuming there are no research participation effects.
    Keywords: Research participation effects | Behavioral interventions | Randomized controlled trials | Causal models | Bias | Statistical analysis


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 7
    حجم فایل: 1103 کیلوبایت

    قیمت: رایگان


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