题目
题目
单项选择题

Which of the following statements best distinguishes reliability from validity in measurement?

选项
A.Reliability measures accuracy; validity measures consistency.
B.Reliability ensures that a scale produces stable results; validity ensures that it measures what it is intended to measure.
C.Reliability is more important than validity in survey design.
D.Reliability applies only to qualitative data; validity applies only to quantitative data.
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标准答案
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思路分析
To compare reliability and validity, begin by recalling the core idea of each concept. Option 1: 'Reliability measures accuracy; validity measures consistency.' This flips the definitions, since reliability is about consistency and stability across measurements, not accuracy, while validity is about whether the measurement actually captur......Login to view full explanation

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