Jeromy Anglim's Blog: Psychology and Statistics

This post provides links to a range of resources related to the use and interpretation of correlations. I wanted to provide a page with link...

This post sets out how to calculate confidence intervals for correlations using R. Because I often get this question from people unfamiliar ...

Canonical correlation is a method of modelling the relationship between two sets of variables. This post provides: (a) Examples of when ca...

Ordinal variables create challenges for analysis. This post discusses: (a) definitions and distinctions related to ordinal variables, (b) th...

This post discusses ways of adjusting correlations for reliability.

What do you do if you want to run a factor analysis on a set of binary variables?

In a previous post, I discussed the various scenarios for running significance tests on correlations . A researcher recently asked me how...

OVERVIEW: I often speak to researchers wanting to compare the significance of two correlations. The two scenarios most commonly encountered...

Researchers in psychology often want to present a correlation matrix of the main variables in a study. This post sets out one way of produci...

I was recently asked about a quick and easy way to see whether the correlation between IV1 and DV is statistically significantly different f...