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In general you seem to have found the puzzle of average difficulty.
The Bad partition contains pairs of images of average difficulty to recognize.
Most who commented said they found BEWITCH a reasonably friendly clue word in a plain puzzle of average difficulty, presenting few real problems, i.e. the kind I ideally aim for.
This MCQ reflects on the course curriculum and consists of 32 questions of average difficulty.
The computer usually selects a starting item (question) that is of average difficulty.
In the Rasch model, the center of the scale represents the item (in the dichotomous case) of average difficulty [ 46].
Similar(52)
We therefore calculated a measure of the average difficulty of all the GCSE subjects that had been taken by a student, based on Coe = s estimates of the Rasch difficulty for an A* grade.
Targeting was suboptimal (difference in person and item mean 1.25) which may suggest that the patients in this sample had a higher level of ability than the average difficulty of the IVI items.
Targeting of the scale was illustrated by means of person-item threshold distribution plots where the centre of the scale, zero, denotes average difficulty of items.
This concept needs evaluation through item level analysis of the UMAT, appreciating that the average difficulty of test items has not always been linked to the magnitude of practice effects in other settings [ 19].
From a viewpoint of the question difficulty, the average difficulty index of the MQs was 0.51 which was a moderate value and close to that of the HQs, 0.53.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com