All Outputs (265)

An example motivated discourse of the paired samples t-test
Other

An application of the paired samples t-test is used to discuss the logic underpinning the test and to consider what may be legitimately inferred.

A primer on statistical hypotheses and statistical errors
Other

An abstract overview of some of the logic and statistical considerations in quantitative inference is given

A reverse look at p-values
Other

An overview of p-values is given. The usual way of being introduced to p-values is by considering the rigorous development of statistical tests, then their use for decision making. This note takes a reverse view by firstly considering their use in... Read More about A reverse look at p-values.

That assumption of normality
Other

Many statistical tests are based around an assumption of “normality”. The reasoning for this choice of distribution, whether to test, what to test, and how to test for normality is covered along with practical recommendations.

Cohen’s d for two independent samples
Other

An exposition of standardized effect for two independent samples (under an assumption of normality) is given along with an insight into interpretation and reporting