...比,可夸大或缩小干预措施的疗效,可用真正的随机方法并对随机分配方案进行完善的隐藏可避免;(2)实施偏倚(performance bias):发生在干预措施的实施过程中,指除比较的措施外,向试验组和对照组研究对象提供的其它措施不一样,标化治疗方案和对研究对象及...
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Due to the difficulty of blinding exercise trials, all included trials were at high risk for performance bias.
因难以对体力煅练进行盲法处理,所有纳入的试验均有很高的执行偏倚风险。
For example, for highly subjective outcomes such as pain, reviewers may decide to include only studies that prevent 'performance bias' by blinding participants.
例如,对高度主观性的结果如疼痛,评价者可决定仅纳入对受试者实施盲法以防止实施偏倚的研究。
The performance of low altitude target detection using bias axis tracking method is studied.
分析了偏轴跟踪抑制多路径误差时雷达低空检测性能。
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