Bramley & Wilson (2016)
Bramley & Wilson (2016)

How well can teachers estimate the difficulty of a question?

Teachers are not very good at writing effective and usable assessment questions. says @ProfCoe #rEdDurham Studies typically find that unstructured judgements of the expected proportion who will get a question right typically correlate about 0.2-0.3 with the actual proportions (Bramley & …