●●4医学研究中的统计学(续) o没有好的研究设计,数据分析将是徒劳无功的。 好的结果基于好的设计:” The justification for the analysis lies not in the data collected but in the manner in which the data were collected Schoolman et al Design Design DesignDesignDesignDesignDesign Design DesignDesign Design Design Design DesignDesign Design DesignDesign Design Design DesignDesignDesign Design DesignDesign Design Analysis Design Design Design Design Design Design Design Design DesignDesign Design Design Design DesignDesign Design DesignDesign Design Design Design Design Design Design Design Design Design医学研究中的统计学（续）  没有好的研究设计，数据分析将是徒劳无功的。 好的结果基于好的设计：”The justification for the analysis lies not in the data collected but in the manner in which the data were collected” – Schoolman et al. Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Analysis Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design Design