With statistically empirical research, the reliability coefficient could be estimated and improved, which could form the basis for further evaluation and decision.
统计分析等实证研究可估计并提高信度水平，为语言教学和科研决策提供可靠的依据。
Cronbach Alpha was 0.876, split-half reliability coefficient was 0.841.
问卷的同质性信度系数为0.876，分半信度系数为0.841。
Methods: To construct the definition formulas of reliability coefficient based on reliability definition.
方法：根据信度定义构造信度系数的定义式。
The reliability coefficient of the whole scale is 0.95, and the reliability coefficient of each sub-scale is above 0.75, which shows this scale is reliable.
并对问卷的信度和效度指标进行了统计分析，总量表信度系数达到了0.95，各分量表的同质性系数均在0.75以上。由此表明此量表是可靠的。
One Way ANOVA is their usual choice, but the method of group discussion must be selected properly, and then the criterion of reliability coefficient must be readjusted appropriately.
方差分析法是许多人采用的方法，但此方法用于估价可靠性时，需注意分组方式和对可靠性系数的评价标准。
Applying correlation coefficient is a simple method to estimate the reliability coefficient, but many problems may sneak in it.
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.
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。
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