CAT: Computer Adaptive Testing

cat

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

How to calibrate quiz percentages to levels or grades

calibrationIf you look in your gradebook for any given student set, you will see that all the results are reported in the grade scheme you chose for that set. It’s easy to take that for granted and not think about how it is achieved – at least I hope it is, because we have worked hard to make the enormous complexity of that task invisible to casual users.

Although teachers very rarely challenge the accuracy of Yacapaca results, I do occasionally get asked about their Continue reading