نتایج جستجو برای: methodological challenges
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a bstract background: qualitative research focuses on social world and provides the tools to study health phenomena from the perspective of those experiencing them. identifying the problem, forming the question, and selecting an appropriate methodology and design are some of the initial challenges that researchers encounter in the early stages of any research project. these problems are parti...
background : research on sensitive topics, such as sexuality, could raise technical, methodological, ethical, political, and legal challenges. the aim of this paper was to draw the methodological challenges which the authors confronted during sexuality research with young population in the iranian culture. methods : this study was an exploratory mixed method one conducted in 2013-14. we intervi...
Questions about the relative merits of alternative research strategies
Biomarker development is a common endeavor in medical research. The purpose to find indicators of disease occurrence or prognostic markers for response. process biomarkers often starts with showing mean differences between responders and non-responders those condition versus without. However, these statistically significant differences, while necessary are not sufficient validate biomarker. Sen...
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Health care and health care services are increasingly being delivered over the Internet. There is a strong argument that interventions delivered online should also be evaluated online to maximize the trial's external validity. Conducting a trial online can help reduce research costs and improve some aspects of internal validity. To date, there are relatively few trials of health interventions t...
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