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Results tagged with validity
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user 124098
An instrument is valid if it measures what it purports to measure. This is different from reliability, which means that an instrument measures (whatever it measures) in a way that is repeatable. DO NOT use this tag for `validation` model purposes.
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How to obtain statistical information from a Likert scale with a sample size smaller than th...
Questions
(1) How can I perform a reliability, validity and scale reduction (with Factor Analysis) analysis with a sample size smaller than the number of questions? …