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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