Comparing IRT Difficulty and NCLEX-RN 10,000 Question Difficulty Ratings For the Top 100 Items and 2000 Student Responses

Dr. Julia Phelan



In order to determine the relationship between question difficulty level in the NCLEX-RN 10,000 and IRT analysis difficulty we calculated correlations between the IRT-determined difficulties and the question difficulties previously determined by the NCLEX-RN 10,000. This analysis used the top 100 NCLEX-10,000 items and 2,000 students’ worth of data.

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