组内相关系数

采用Pearson相关系数和组内相关系数（intraclasscorrelationcoefficient，ICC）对20例正常志愿者短期内和长期内的HRV短时程频域参数的可重复性进行了研究。

Pearson correlation coefficient and intraclass correlation coefficient ( ICC ) were used to study the short-term and long-term repeatability of the short-term frequency domain parameters of HRV with 20 healthy volunteers .

结果：两次WMFT计时组内相关系数（ICC）为0.990,95%置信区间为0.977&0.996；

Result : The intraclass correlation coefficient ( ICC ) was 0.990 , and the 95 % confidence interval ( CI ) was 0.977-0.996 for the performance time of the WMFT .

选用组内相关系数（ICC）作为可靠性判断指标。

The interclass correlation coefficient ( ICC ) was used to determine the reliability .

计算组内相关系数（ICC）、一致性相关系数（CCC）并进行Bland&Altman绘图分析，评估2种测量方法的可重复性和一致性。

Intraclass correlation coefficient ( ICC ), concordance correlation coefficient ( CCC ) and Bland & Altman plot were engaged to evaluate the repeatability and agreement .

本文证明了ρ（组内相关系数）是ρ的渐近无偏估计，讨论了Fisher近似公式的精确性，并提出了新的计算公式。

This paper proves that ρ ( intraclass relative coefficient ) is a asymptotically unbiased estimation of ρ, examines precision of Fisher 's approximate formulae and Puts forward the exact formulae for the sampling variance of ρ .

方法随机对20例脑卒中后遗症期患者进行FCA和FIM评定，主要内容包括运动功能和认知功能二大项，对10例脑卒中患者进行FCA的组内相关系数的研究。

Methods Assessment of function using FCA and FIM are performed in 20 cases of stroke patients . The main content of assessment includes two parts : cognition function and motor function . The intraclass correlation coefficient ( ICC ) was calculated in 10 stroke patients .

组内相关系数的抽样方差的改进

A new research on the sampling variance of intraclass relative coefficients

组内相关系数在信度评价中的应用

Application of Intraclass Correlation Coefficient to Reliability Assessment

单卵双生子组内相关系数远高于二卵双生子；

Interclass correlation coefficients were higher in MZ twin pairs than in DZ twin pairs .

目的研究非独立数据组内相关系数ρ的抽样分布。

Objective To declare the distribution of inta unit correlation coefficient (ρ) of non independent data .

相比较而言，组内相关系数检验的应用前景更广阔。

Compared to Kendall 's W , intraclass correlation coefficients have a wide scope of application .

结果：各激素组内相关系数同卵双生大于异卵双生；

Results : The intraclass correlation coefficient was greater in the MZ twins than in the DZ twins .

用放射免疫法测定血清激素，以组内相关系数法分析各激素遗传度。

Serum androgens were measured by radio immunoassay . The genetic analysis was performed using interclass correlation coefficient method .

实验证明该超声系统具有良好的可重复性（组内相关系数ICC0.98）和可靠性（相对误差5%）。

It was demonstrated that the ultrasound system had a good reliability ( ICC 0.98 ) and a good reproducibility ( relative error 5 % ) .

组内相关系数检验是对关联度或相关性的参数检验，计算模型包括单向随机、双向混合和双向随机等三个模型。

Intraclass correlation coefficients are parametric measures of association or cor-relation , the models of whose computation involve one-way random , two-way mixed and two-way random models .

统计仿真的结果显示，组内相关系数是不错的信度估计量，但皮尔逊相关系数较会有高估的情况。

The results of statistical simulation reveal that intraclass correlation coefficient is a good estimator of reliability , while Pearson correlation coefficient over estimates the reliability in many conditions .

结果重复测量资料组内相关系数的抽样分布类型随ρ的数值大小而变化，ρ小于0.5时为正偏态，ρ大于0.5时为负偏态，接近0.5时，近似服从正态分布。

Results The type of sampling distribution varies with the ρ . When ρ is less than 0.5 , ρ is distributed which has positive skewness , When larger than 0.5 , ρ is distributed which has negative skewness , and about 0 . 5 , then distribution is normal .

同类〔组内〕相关系数意义相近的词或词组

Internal correlation coefficient a word or phrase of similar meaning

采用组内和组间相关系数和独立样本t检验来检验FRT方法的信度。

Intra-and inter-class correlation coefficient ( ICC ) and independent-sample t test were used to test the reliability of FRT .