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Item Review - the Analysis
Range of statistical analysis to determine the quality of the question
Discrimination
- discriminate between stronger and weaker candidates
- performance of sub-group on one item compared with whole test
- several analysis techniques available
Facility
- measures the difficulty of a question by percentage of correct responses
- marks from 0 to 1
- there are recommended ranges
Frequency Analysis
- measures number of times a distractor was selected
- length of time spent on question
Press here to see a discussion on the type of data that can be stored in an item bank and associated with each item.
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