信度(Reliability)也就是可靠性,它指采用同样的方法对同一对象重复测量时所得结果的一致性程度。信度指标通常以相关系数表示,即用同一被试样本所得的两组资料的相关系数作为测量一致性的指标,称为信度系数。估计信度系数的方法很多,常见的有①再测法。②复本法。③分半法。④同质法。对于教学测验而言,估计学绩测验的信度最常用的是复本法,如果没有复本,也可分半法。
信度系数 reliability coefficient ; coefficient of reliability ; cronbach
可信度系数 coefficient of reliability ; confidence level coefficient
平行形式信度系数 parallel form reliability coefficient
重测信度系数 testretest reliability coefficient
称为信度系数 coefficient of reliability
周重测信度系数 Intraclass correlation coefficient
信任度系数 coefficient of confidence
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方法:根据信度定义构造信度系数的定义式。
Methods: To construct the definition formulas of reliability coefficient based on reliability definition.
事实上,全部的内部信度系数达到0.8以上,远高于毛发等。
In fact, all the internal reliability coefficients achieved 0.8 or above, well above Hairs et al.
问卷的同质性信度系数为0.876,分半信度系数为0.841。
Cronbach Alpha was 0.876, split-half reliability coefficient was 0.841.
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