Computer adaptive tests (CAT) are designed to measure one principle: competent vs not yet competent. They are much more effective at determining competency than other types of exams. Students find them harder because the exam pushes students to the furthest extent of their knowledge and capability. And educators find them harder to replicate for in-class practice.
So when an already challenging exam adds a whole new category of questions, there’s going to be an awkward phase while everyone learns what to expect and how to prepare for it.
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