在信度测试时，常用修正 条款的总相关系数（Corrected Item TotalCorrelation，CITC）和 克朗巴哈（Cronbach）的a系数法检验测量变量的信度。
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创业者与创业投资家的信任结构实证研究 - docin.com豆丁网 性程度。一般采用 Cronbach’s α 系 数来检验题项的信度，一般不低于0． 5；同时，利用 纠正题项的总相关系数（Corrected - Item Total Cor- relation，CITC）剔除信度较低的题项。一般来说，当 CITC 小于0． 5，而且删除题项后 α 系数值增加，就 可以删
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在试验基础上作参数修改和模态重新分析，使固有频率的总相关系数达90%。
Due to the modification of the parameters and the reanalysis based on the results of test the general correlation coefficient for the natural frequencies is over 90%.
UMT含量随着总镉摄入量、血镉和尿镉水平增加而增加，UMT与总镉摄入量、血镉和尿镉的相关系数分别为0.251、0.322和0.437（P<0.05）；
Significant correlations were found between the UMT and total uptake of cadmium, blood cadmium and urinary cadmium, the correlation coefficients were 0.251, 0.322 and 0.437 (P<0.05), respectively.
药物中含有丰富的金属元素和较高的总黄酮，相关系数较大的药物其药物疗效的相似性较大。
There were comparatively rich metal elements and high flavone in Chinese traditional medicines, among which their therapeutic effect was similar when the relative coefficient was considerably great .
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