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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: General practitioners' perceptions of the effectiveness of medical interventions: an exploration of underlying constructs | Vogt et al. Implementation Science 2010 5 17 http www.implementationscience.eom content 5 1 17 IMPLEMENTATION SCIENCE Implementation Science RESEARCH ARTICLE Open Access General practitioners perceptions of the effectiveness of medical interventions an exploration of underlying constructs Florian Vogt 1 David Armstrong2 and Theresa M Marteau1 Abstract Background Many interventions shown to be effective through clinical trials are not readily implemented in clinical practice. Unfortunately little is known regarding how clinicians construct their perceptions of the effectiveness of medical interventions. This study aims to explore general practitioners perceptions of the nature of effectiveness . Methods The design was qualitative in nature using the repertory grid technique to elicit the constructs underlying the perceived effectiveness of a range of medical interventions. Eight medical interventions were used as stimuli diclophenac to reduce acute pain cognitive behaviour therapy to treat depression weight loss surgery to achieve weight loss diet and exercise to prevent type 2 diabetes statins to prevent heart disease stopping smoking to prevent heart disease nicotine replacement therapy to stop smoking and stop smoking groups to stop smoking . The setting involved face-to-face interviews followed by questionnaires in London Primary Care Trusts. Participants included a random sample of 13 general practitioners. Results Analysis of the ratings showed that the constructs clustered around two dimensions low patient effort versus high patient effort dimension one and small impact versus large impact dimension two . Dimension one represented constructs such as success requires little motivation not a lifestyle intervention and health-care professional led intervention . Dimension two represented constructs such as weak and or minimal evidence of effectiveness small treatment effect for users a small proportion of users will benefit and not cost-effective Constructs .
