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Development and validation of the ACE tool: assessing medical trainees’ competency in evidence based medicine

机译：ACE工具的开发与验证：评估医学培训症的循证医学能力

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Background While a variety of instruments have been developed to assess knowledge and skills in evidence based medicine (EBM), few assess all aspects of EBM - including knowledge, skills attitudes and behaviour - or have been psychometrically evaluated. The aim of this study was to develop and validate an instrument that evaluates medical trainees’ competency in EBM across knowledge, skills and attitude. Methods The ‘Assessing Competency in EBM’ (ACE) tool was developed by the authors, with content and face validity assessed by expert opinion. A cross-sectional sample of 342 medical trainees representing ‘novice’, ‘intermediate’ and ‘advanced’ EBM trainees were recruited to complete the ACE tool. Construct validity, item difficulty, internal reliability and item discrimination were analysed. Results We recruited 98 EBM-novice, 108 EBM-intermediate and 136 EBM-advanced participants. A statistically significant difference in the total ACE score was observed and corresponded to the level of training: on a 0-15-point test, the mean ACE scores were 8.6 for EBM-novice; 9.5 for EBM-intermediate; and 10.4 for EBM-advanced (p? Conclusion The 15-item ACE tool is a reliable and valid instrument to assess medical trainees’ competency in EBM. The ACE tool provides a novel assessment that measures user performance across the four main steps of EBM. To provide a complete suite of instruments to assess EBM competency across various patient scenarios, future refinement of the ACE instrument should include further scenarios across harm, diagnosis and prognosis.
机译：背景技术虽然已经开发出各种仪器来评估证据基于证据的知识和技能（EBM），但很少评估EBM的所有方面 - 包括知识，技能态度和行为 - 或者精神计学评估。本研究的目的是开发和验证一个仪器，该仪器评估eBM的医疗学员的能力，跨越知识，技能和态度。方法采用作者开发了“eBM”（ACE）工具的“评估能力”，通过专家意见评估的内容和面部有效性。招募了342名医疗学员的横断面样本，代表“新手”，“中间”和“高级”EBM学员的招聘才能完成ACE工具。分析了构建有效性，项目难度，内部可靠性和项目歧视。结果我们招募了98名EBM-Nevice，108 ebm-中级和136名EBM-Advanced参与者。观察到总ACE分数的统计学意义差异，与培训水平相对应：在0-15点测试中，EBM-Novice的平均ACE分数为8.6; 9.5 ebm中级; 10.4为EBM-Advanced（P？结论15项ACE工具是一种可靠而有效的仪器，可评估医疗学员在EBM中的能力。ACE工具提供了一种新颖的评估，可在EBM的四个主要步骤中测量用户性能。为了提供完整的仪器，可以评估各种患者情景的EBM能力，ACE仪器的未来细化应包括危害，诊断和预后的进一步情景。

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