Levin Kate Ann
Dental Health Services Research Unit, Dundee, Scotland, UK.
Evid Based Dent. 2005;6(4):102-3. doi: 10.1038/sj.ebd.6400356.
In the first article in the series I explained the importance of study design and gave an overview of the main types of design. Here, I describe the ways in which the results of a study may deviate from the truth and the measures that can be taken to help minimise this when designing a study.
在本系列的第一篇文章中，我解释了研究设计的重要性，并概述了主要的设计类型。在此，我将描述研究结果可能偏离真相的方式，以及在设计研究时可以采取的有助于将这种偏离最小化的措施。
