CAT: Computer Adaptive Testing

Computer-adaptive Testing (CAT) has actually been around since the 1970s but it is still little-known and less understood.

How CAT works

Any given CAT assessment is based on a large bank of questions of varying, but known, difficulty on a given topic. The first question is served at Continue reading “CAT: Computer Adaptive Testing”

62.5% is the ideal quiz score. Here’s why

 What is the optimum average score for a quiz? 100%? Not in my view. It is 62.5%, or a number close to that.

When using a quiz as a summative assessment, your goal is maximum discrimination. That is, you want to be able to see as clearly as possible which students have ‘got it’ and which have not.

Consider a Continue reading “62.5% is the ideal quiz score. Here’s why”

Microsoft Edge compatibility report

Microsoft’s new operating system Windows 10 comes with Edge, a new browser to replace the antediluvian Internet Explorer. Hooray! Technical folk the world over loathe MSIE with a deep and abiding passion, and we are delighted to see it slip into history. What’s more, Edge has had largely good reviews. It’s fast, stable and generally standards-compatible. Will […]