Statistical practice

Terms like "reproducible research” and “open research” get used a lot and may mean documenting methods, publishing data and code so that others can check the conclusions, or being able to redo analysis at some later point.

A concern about "normality" often arises when using a statistical analysis for a numerical outcome such as an independent samples t-test, analysis of variance, regression or linear model.

Using a statistical model that doesn’t account for the hierarchical nature of this data will give incorrect results.