Table 3.

Item-level statistics for SJT items

Scenario	Item	Maximum score	Mean score	Difficulty (%)
1	1	2	1.34	67.0
	2	2	.39	19.5
	5	2	1.43	71.5
2	1	2	.74	37.0
	3	2	1.44	72.0
	4	1	.72	72.0
	5	2	.93	46.5
3	2	2	1.26	62.8
	3	1	.75	75.0
	4	2	1.20	60.0
4	1	1	.51	50.5
	2	2	.72	35.8
	3	2	.37	18.5
	4	2	1.43	71.5
	5	2	1.72	86.0
5	1	2	.70	35.0
	4	2	.40	20.0
	5	2	1.75	87.3
6	2	2	1.13	56.5
	3	1	.22	22.0
	4	2	.97	48.5
	5	2	1.58	79.0
7	1	2	.74	37.0
	2	1	.48	48.0
	3	2	.67	33.3
	4	1	.48	47.5
	4	2	.48	23.8
8	4	2	1.01	50.3
	5	1	.16	16.0
9	2	2	.99	49.5
	3	2	1.56	78.0
	5	2	.95	47.3
10	2	2	1.21	60.5
	3	2	.58	29.0
	4	1	.50	49.5
	5	2	1.66	82.8