A lot of researchers seem to be struggling with their understanding of the statistical concept of degrees of freedom. Most do not really care about why degrees of freedom are important to statistical tests, but just want to know how to calculate and report them. This page will help. …

Here I describe how to use the actively maintained (and relatively easy to use) R package rcicr that I wrote to generate reverse correlation stimuli and compute classification images. You can download the latest version of the package on Github Download and Installation Install R (and RStudio to make your life easier). No…

Thanks for the insightful post. I have a question. For the transformed response variable, shouldn't the table need to be: Buy & Treatment = 2 Buy & Control = 0 No Buy & Treatment = 0 No Buy & Control = -2