Validity and reliability
This webpage will first provide an introductory definition of validity and reliability that not only connects to how the concepts are used within research with a quantitative approach but also…
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Comparing health care providers
This web-page describes potential pitfalls with comparing the "productivity" of different health care providers (could also be something else than health care providers). Reading this will give you a better…
Evaluation of tests
LATEST UPDATE: 12th of June 2026: A block of Swedish text duplicating an English text was removed. Only the english text was kept. A clarification was made around Bland-Altman's limits of agreement.
Limits of agreement and Bland-Altman plots
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis Agreements This web-page provides an introduction to the concepts Limits of agreement…
Kappa coefficient
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis Agreements This web-page provides an introduction to Kappa coefficient. Reading this will…
Cochran-Mantel-Haenszel method
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis Associations and predictions This web-page provides an introduction to the Cochran-Mantel-Haenszel method.…
Cronbach’s alpha
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis Associations and predictions This web-page provides an introduction to the concept of…
Fisher’s exact test
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis This web-page provides an introduction to Fisher's exact test. Reading this will…
Degrees of freedom
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics This web-page describes the concept degrees of freedom often used in inferential statistics. Reading this…
Standard population
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables This web-page describes what a standard population is. Reading this will give you a better understanding of…
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