常用的信度有哪几种?分别用什么方法来估计这些信度?
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Part B
For this part, you are required to write a composition on the topic" Positive and Negative Aspects of Sports". You should write no less than 120 words and you should base your composition on the outline below:
1) Positive aspects of sports;
2) Negative aspects of sports;
3) Your experience.
如果你是某企业的一名销售经理,你部门的销售任务只完成了30%,没达标,你怎么处理?
若运用奇偶法将某个测验分成两半后,这两半个测验的相关系数为0.7,请问该测验的信度系数是多少(保留两位小数)?