Following on from my previous posts (Evidence and My first MOOC), I've put two and two together and used my new statistical knowledge to good use to work out if my rating change is actually significant. And it looks like it is.
I broke up the usage of the rating tool since its inception by month, and analyzed the results. Each year there is a spike in February, when students start (p < .001), but after I added the rating tool, the spike extended by a month (p<.05).
I'll need to confirm this, but it's very satisfying to have something.
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