Confidence intervals
Suggested pre-reading What this web page adds Introduction to statistics Observations and variables This web-page describes what a confidence interval is and how it can be used. Reading this will…
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Relative risk / Odds ratio
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 Relative risk /…
Evidensbaserad medicin (EBM)
Denna webbsida beskriver vad evidensbaserad medicin är. Att läsa denna sida ger dig en förståelse för konceptet evidensbaserad medicin och gör det lättare att förstå och kunna granska publikationer som…
Introduction to statistics
This web-page gives you a brief overview of statistics. You will find lots of links from this web-page to other web-pages providing more information. (Another page describes how to chose…
Nyfikenhet och kreativitet
Suggested pre-reading What this web page adds None This website will discuss what creativity actually is and the importance of it in research. Kreativitet är en personlig egenskap som är…
Level of significance
LATEST EDITS: 11th of May 2026: The field for stating desired alpha in the calculators did only accept integers. This glitch is now fixed. --- 8th of May 2026: The calculators accepted entering p-values below 0 and above 1. This glitch is now fixed. --- 2nd of May 2026: An introductory video explaining the difference between the p-value and the level of significance was added. Furthermore two online calculators were added.
Etiologic predictive value (EPV)
This web-page provides an introduction to the concept of etiologic predictive value (EPV). Reading this webb page will give you an understanding of the concept EPV and how to use…
G*Power (SWE)
Denna webbsida ger en introduktion till programmet G*Power som används för att göra skattning av stickprovsstorlek. Genom att läsa detta får du tillräcklig kunskap för att kunna prova på enkla…
G*Power (ENG)
This web-page provides an introduction to the software G*Power used to estimate sample size. Reading this will give you enough knowledge to be able to try doing simple things in…
Significant figures
This web-page describes how to properly round up figures when you want to present your results. It is all about understanding the concept of precision. Reading this will give you…
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