Statistical Analysis Stack Exchange
Statistical Analysis Stack Exchange

Questions tagged [validity]

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.

References: Wikipedia and CV Meta's thread

133 questions
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Gender Differences in Validity

I need to demonstrate discriminant validity for two subscales (subscales have 6 and 7 items) that should differ between males and females. There is a theoretical basis that there should be a differences in gender. What's the best approach? Thanks!
Tom
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1
vote
0 answers

Gender Differences in Subscales

I need to demonstrate discriminant validity for two subscales (subscales have 6 and 7 items) that should differ between males and females. There is a theoretical basis that there should be a differences in gender. What's the best approach? Thanks!
Tom
  • 11
-2
votes
1 answer

Hand hygiene observations

How much validity is there in doing external hand hygiene observations in a hospital where another facility observes for a total of 6 hrs. twice a year and reports that data out, when the observed facility already has their own internal hand…
Deb
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