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This web-page provides an introduction to the concept of effect size. Reading this will give you an understanding of what effect size is and the different types. Recommended prereading are…

Suggested pre-reading What this web page adds Introduction to statistic Choosing statistical analysis Observations and variables Clean data file This web-page describes what transformation of data is and why you…

Suggested pre-reading What this web page adds Study design Randomization This web-page describes how randomized controlled trials can have different aims. Reading this will give you an overview of the…

In all empirical studies (where conclusions are drawn by studying reality), some form of data collection is conducted. The collected data is analyzed, and conclusions are then drawn. When collecting…

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 sensitivity, specificity and…

Suggested pre-reading What this web page adds Introduction to statistics Observations and variables Inferential statistics Choosing statistical analysis Associations and predictions Regression and correlation This web-page provides an introduction to…

This web page provides a brief overview over different ways of randomly allocate subjects to different groups. It also discusses the purpose of including confounding variables as well as the…