信度系数

F检验和信度系数α

F - Test and Reliability Coefficient Alpha

Spearman-Brown不等长分半信度系数、Guttman分半信度系数均为0.82。

Both of Spearman-Brown inequality length split-half reliability coefficient , Guttman split-half reliability coefficient are 0.82 , reach to the standard of 0.80 .

通过对访谈时间和字数、归类一致性、信度系数和Person相关系数指标的信度分析，评价编码效果。

Analysis the reliability of the valid interview texts on interview length and time 、 category agreement 、 reliability 、 person correlation , then evaluate interview effect and agreement .

这个ρ（TT）还可以作为一个成套测验T之信度系数的度量。

This ρ _ ( TT ) may be a measurement of the reliability of series test T.

在其后的D研究中，我们得到了T1和T2时间下的概化系数，通过比较我们发现二者的信度系数较高，均可接受；

In D study we obtained two high generalizability coefficients of T1 and T2.They can be accepted .

结果：健康人的测查结果表明ESD分半信度系数达0.9，内部一致性系数0.69-0.78，病人的正确划分率97%。

Result : split-reliability derived from healthy elderly was 0 9 , inner consistency 0 69-0 78 , the rate of correct separation was 97 % .

所有的评分都用克伦巴赫信度系数计算了评分信度，用ANOVA检验了评分员评分间的差异性，以确保评分尽可能近似地反映出考生的真实成绩。

Rating reliability was all calculated by Cronbach coefficient and the rating difference was tested by ANOVA to make sure the scores can reflect the test takers ' real translation competence as much as possible .

继而通过小样本预测试，采用总相关系数法（CITC）和a信度系数法，删除低信度的测量条款，形成用于大样本调查的最终问卷。

Next , through the pre-testing of the small sample , we take the overall correlation coefficient ( CITC ) and alpha reliability coefficient method , delete the terms of the low reliability measurement , form the final questionnaire form for large sample survey .

该量表的分半信度系数及其各维度的信度系数低于测量学的要求；

The Split-half coefficients were lower than the need of Measure ;

通过现场验证了该方法用于确定冲压件初始板料的形状及尺寸的精确性及合理性。视频式总量表信度系数是。

The whole internal consistency coefficient on video scale was .

问卷的同质性信度系数为0.876，分半信度系数为0.841。

Cronbach Alpha was0.876 , split-half reliability coefficient was0.841 .

结果推导得出了信度系数的新计算式及相应公式。

Results The new calculating formulas of reliability coefficient and corresponding formulas are introduced .

提高考试信度系数的一种尝试

A Method of Increasing Test Reliability Coefficient

各维度信度系数在0.71～0.78，总体a系数为0.82。

The reliability coefficient of each dimension is 0.71 & 0.78 and the total coefficient is 0.82 .

第三是对同一个考生样本，F-检验与信度系数α之间存在函数关系.根据这一关系可以进一步认识这两个不同统计量的作用。

Thirdly , there is exists function between F-test and confidence coefficient α for the same sample examination .

利用相关系数是估计信度系数的一种简捷方式，但也潜藏著许多可能的问题。

Applying correlation coefficient is a simple method to estimate the reliability coefficient , but many problems may sneak in it .

分量表的内部一致性信度系数为0.541～0.771，分半信度为0.543～0.760。

The internal consistency reliabilities of the subscales are from 0.541 to 0.771 , and split-half reliabilities from 0.543 to 0.760 .

结果量表的条目应答率为98.72%，有效率为98.1%，内部一致性α信度系数为0.9474；

Results The item response rate was 98.72 % , the effective rate was 98.1 % , and the a reliability coefficient for internal consistency was 0.9474 ;

量表总分的重测相关系数为：0.914，两次测定的得分均值间差异无统计学意义（P>0.10）。主观量表的分半信度系数为0.8584，客观量表的分半信度系数为0.9305。

The self-reported subjective scale 's test-retest related coefficient is 0.914 . The scores between twice tests were not statistically significant different ( P > 0.1 ) .

11个分量表的内部一致性α系数均在070以上，再测信度系数>070（P<001）；

These subtests ' α coefficient of internal consistency was more than 0.70 , and the reliability coefficient of the test-retest was over 0.70 ( P < 0.01 ) .

统计与分析数据之前，对各项策略的内在一致性进行了分析，信度系数为0.91，所以此次调查结果是可信的。

Before statistics and analyzing the data , I have analyzed the internal consistency of the items , the coefficient of the reliability is 0.91 , so this investigation is reliable .

各分量表的内部一致性信度系数和分半信度系数分别为0.56-0.84和0.54-0.83；两周重测信度系数0.86。

The consistency reliability and the split-half reliability range from 0.56 ~ 0.84 and 0.54 ~ 0.83 . Two-week test-retest reliability was 0.86 . Expert assessing showed a good content validity .

然而由于两种评分标准的信度系数较接近，在没有统计分析的前提下，我们无法得知分析法评分标准是否比整体法评分标准更加可靠。

Since the reliability coefficients of the two kinds of ratings are close , we are not sure whether the analytic rating scale is significantly more reliable than the holistic one without statistical analysis .

从问卷项目内部一致性信度系数、内容效度、构想效度等方面，对开放教育毕业生追踪调查问卷的结构设计进行了信度分析和效度分析。

The article analyzes the reliability and validity about the structural design of questionnaire of Open Education Graduate Investigation , from internal consistent reliability factor about the project of questionnaire , content validity , idea validity and other aspects .

本文试图基于这些叙述性的定义给出严格的数学或统计学上的定义，并对信度系数的一系列估计公式给予证明，尤其还从变异源的角度给出信度的方差分析计算法。

On the basis of this , this paper tries to give strict mathematical or statistical definitions and prove a series of estimating fomulas for reliability coefficient , especially , provide a calculating method for variance , analysis of reliability , as viewed from variation source .

在不同的条件下，信度可用稳定性系数或内部一致性系数来估计。

Reliability can be estimated by stability coefficient or internal consistency coefficient under various conditions .

方法自行设计门诊输液病人需求调查表，经过专家修改及评定，信度和效度系数都在0.88以上。对520例门诊输液病人采用此问卷进行调查，所得数据进行统计与分析。

Methods A self-designed questionnaire , with validity and reliability above 0.88 by expert 's revision , was used to investigate 520 outpatients at transfusion , the data were analyzed in statistics .

内部一致性信度Cronbach'sα系数为0.814。效标关联效度检验发现每日体质量增加值与自我管理行为负相关，与液体、离子的限制行为和饮食量的管理行为显著负相关。

The internal consistency was supported by Cronbach 's α coefficient of 0.814.Testing of criterion related validity found daily weight gain was negatively associated with self management behavior and significantly negatively associated with the behavior of restriction of liquid , ion and management behavior in quantity of food .

结果各项指标客观信度的Spearman相关系数均大于0.5，P值均小于0.01。

Results Impersonality reliability spearman correlation coefficient of each index was more than 0.5 ( P < 0.01 ) .

完字填空题的信度以Cronbach的系数计算。

The reliability coefficient of the C-testing was computed by Cronbach 's alpha .