Now that everybody wants to measure teaching and learning effectiveness, and the richest people in the world will throw millions at you just for using the word metric at your website, I decided to use my mathematician's brain power to contribute to this noble scientific quest.
Considering my very advanced age, I was as surprised as anybody that not only have I found the perfect solution to the problem, but the solution turned out to be a universal one: I can mathematically prove that the device can measure teaching and learning effectiveness as well as any other device.
The device happens to be downloadable over the internet, and, amazingly enough, it needs no userguide: once you see it, you know what to do with it. So without further due, click here to download and start enjoying your new teaching and learning effectiveness measuring device with builtin metric.
Now, in case you are thick, and you nevertheless need instructions, you need to pay for it with a credit card. The instructions for how to do that are as follows.
