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Table 1 Difficulty and discrimination parameters of the UWES-S

From: Item response theory analysis of the Utrecht Work Engagement Scale for Students (UWES-S) using a sample of Japanese university and college students majoring medical science, nursing, and natural science

Item Difficulty parameter of category 0 vs 1–6 0–1 vs 2–6 0–2 vs 3–6 0–3 vs 4–6 0–4 vs 5–6 0–5 vs 6 Discrimination parameter
1 − 2.782 − 1.710 − 0.462 1.745 3.491 4.995 0.901
2 − 2.372 − 1.804 − 0.702 0.096 1.454 2.673 1.314
3 − 2.335 − 1.490 − 0.468 0.420 1.591 2.794 1.160
4 − 1.098 − 0.214 0.660 1.411 2.395 3.141 1.582
5 0.015 0.449 0.808 1.467 2.003 2.283 3.622a
6 − 0.758 − 0.034 0.589 1.160 1.936 2.922 1.884
7 − 0.155 0.330 0.753 1.356 2.042 2.415 3.539a
8 − 1.085 − 0.373 0.315 1.267 2.135 3.012 2.083
9 − 0.427 0.048 0.481 1.043 1.831 2.244 3.452a
10 − 0.969 − 0.294 0.210 1.091 1.870 2.564 1.855
11 − 0.941 − 0.305 0.184 0.781 1.487 2.191 1.994
12 0.075 0.575 0.990 1.774 2.253 2.647 2.466
13 − 0.965 − 0.352 0.192 0.997 1.670 2.614 2.314
14 − 0.663 − 0.118 0.342 1.107 1.859 2.515 2.810
Mean − 1.033 − 0.378 0.278 1.123 2.001 2.786 2.213
  1. aIndicates an outlier value