Reliability (statistics)
In statistics and psychometrics, reliability is the freedom of a measure from measurement error. In Classical Test Theory, reliability is the proportion of the observed test score variation due to "true" score variation.
In statistics and psychometrics, reliability is the freedom of a measure from measurement error. In Classical Test Theory, reliability is the proportion of the observed test score variation due to "true" score variation.
In statistics and psychometrics, reliability is the freedom of a measure from measurement error. In Classical Test Theory, reliability is the proportion of the observed test score variation due to "true" score variation.
Source: Wikipedia "Reliability (statistics)" · CC BY-SA 4.0
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