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效度和信度如何区分
更新时间: 2020-11-19 00:00:00  

信度是指测验结果的一致性、稳定性及可靠性,效度即有效性,它是指测量工具或手段能够准确测出所需测量的事物的程度。信度分析的常用具体方法有重测信度、分半信度法、复本信度等,效度的分析方法有专家判断法、统计分析法、经验推测法等。购买仪器设备的时候,都会对设备的信度和效度进行评价,希望购买的仪器能够长久稳定的准确测量或生产出优质的产品,长久稳定代表信度,准确测量和生产代表效度。

关键词: 如何 区分

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