I’ve had a few people into the centre recently trying to get their heads around degrees of freedom. Even if it’s not necessarily something that you need to know, it is often handy to have an understand of it, to help get a holistic upstanding of statistical testing.
Ron Dotsch does a great job of explaining Degrees of Freedom. Ron is a Experimental Social Psychologist. He is an Assistant Professor at Radboud University Nijmegen in the Netherlands. Ron has very nicely written a post about degrees of freedom. It is a nice concise overview and although I tend to favour videos to post up here, I haven’t found (and I think i’d be pushed to do so) anything better than this.
I highly recommend the read…