Nuclear Cardiology Specialty Examination Technical Report

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FIGURE 1.
Histogram of NMTCB nuclear cardiology examinees’ scaled scores.

TABLE 1

Number of Items Grouped by Discrimination and Difficulty Indexes

Range	Discrimination index count			Difficulty index count		Comments
Range		Form A	Form B	Form A	Form B	Comments
1.00	—	—	2	8	No discrimination
0.99–0.90	—	—	11	19
0.89–0.80	—	—	25	18
0.79–0.70	—	1	16	13
0.69–0.60	2	3	18	11
0.59–0.50	2	6	11	10
0.49–0.40	10	6	4	9
0.39–0.30	16	10	2	4
0.29–0.20	24	22	4	1
0.19–0.10	21	17	0	1
0.09–0.00	10	10	1	0
<0.00	7	11	—	—