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such as the overconfidence bias. Calibration with other, more objective, sources of data is preferable. Several variants of the method exist.
* Modified Angoff Method (item-centered): Subject matter experts are generally briefed on the Angoff method and allowed to take the test with the performance levels in mind. SMEs are then asked to provide estimates for each question of the proportion of borderline or "minimally acceptable" participants that they would expect to get the question

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