Question: If you were analyzing the Test Information Function (made up of the Item Information Functions for all the items on your achievement test in IRT),

If you were analyzing the Test Information Function (made up of the Item Information Functions for all the items on your achievement test in IRT), and the items in the TIF looked like this picture, which scores would you have the least confidence in as being accurate (AKA, which would likely have the most error)? Remember, we know the most about the information that is tested with the most items. Question 23 options: The lower scores The middle scores The high scores They would all be equally accurate

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