Fixed and Random Effects

An ANOVA approach.

with your host, Wil Irwin

Check back soon! We are working on some diagrams that Wil presented at a recent Brain Imaging workshop that the audience found quite helpful.

Preamble

There are several objectives of this brief document.


Basics of ANOVA

Independent variables are either fixed or random.

The power of ANOVA is ultimately determined by the appropriate estimate of an error term (and, of course, the available degrees of freedom).

Fixed- and Random-Effects Analysis in SPM


References

Back to LfAN Random Effects page.