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Table 7 Item information for one-dimensional Rasch scaling

From: Test sensitivity in assessing competencies in nursing education

Item

Estimate

Standard error

WMNSQ

CI

t-value

Discrimination

A01d

− 0.681

0.083

0.94

(0.87, 1.13)

− 0.9

0.42

A02d

− 1.351

0.086

1.00

(0.76, 1.24)

0.0

0.24

A03d

− 1.226

0.085

0.97

(0.78, 1.22)

− 0.2

0.31

A04o

1.505

0.083

1.02

(0.43, 1.57)

0.2

0.06

A05d

− 0.224

0.083

1.04

(0.93, 1.07)

0.9

0.16

A06d

− 0.338

0.083

1.02

(0.91, 1.09)

0.4

0.17

A07d

0.183

0.082

1.07

(0.93, 1.07)

1.9

0.03

A08d

− 0.450

0.083

1.00

(0.90, 1.10)

0.1

0.19

A09d

− 0.982

0.084

0.98

(0.82, 1.18)

− 0.1

0.26

A10d

− 1.860

0.088

1.03

(0.65, 1.35)

0.2

0.15

A11d

− 0.982

0.084

1.01

(0.82, 1.18)

0.1

0.18

A12d

0.181

0.082

1.00

(0.93, 1.07)

0.1

0.17

A14d

− 0.353

0.083

0.94

(0.91, 1.09)

− 1.3

0.36

A15d

− 0.906

0.084

1.01

(0.84, 1.16)

0.1

0.08

A16d

− 0.831

0.084

0.91

(0.85, 1.15)

− 1.1

0.48

A17o

− 0.490

0.072

1.11

(0.83, 1.17)

1.2

0.12

A18d

0.276

0.083

1.15

(0.93, 1.07)

3.8

− 0.19

A19d

− 1.924

0.088

0.96

(0.63, 1.37)

− 0.2

0.35

A20d

2.439

0.089

0.97

(0.51, 1.49)

− 0.0

0.04

A21d

0.124

0.082

0.99

(0.93, 1.07)

− 0.3

0.20

A22d

0.708

0.083

1.00

(0.88, 1.12)

0.0

0.19

A23d

0.736

0.083

1.01

(0.87, 1.13)

0.1

0.15

A24d

− 0.652

0.083

1.00

(0.87, 1.13)

0.1

0.25

A25d

− 0.642

0.083

0.97

(0.88, 1.12)

− 0.4

0.29

A26d

− 0.378

0.083

1.03

(0.91, 1.09)

0.7

0.10

A27d

− 3.082

0.091

0.96

(0.26, 1.74)

0.0

0.30

A28o

1.265

0.078

0.92

(0.71, 1.29)

− 0.5

0.39

A29d

0.430

0.083

1.04

(0.91, 1.09)

0.9

0.18

A30d

− 0.093

0.083

0.98

(0.93, 1.07)

− 0.4

0.25

A31d

− 0.362

0.083

1.02

(0.91, 1.09)

0.4

0.13

A32d

− 0.159

0.083

1.04

(0.93, 1.07)

1.0

0.12

A34o

0.304

0.068

1.03

(0.86, 1.14)

0.5

0.24

A35o

2.193

0.084

1.11

(0.66, 1.34)

0.6

− 0.00

A37d

0.825

0.084

1.01

(0.86, 1.14)

0.2

0.23

A38o

0.487

0.064

1.12

(0.81, 1.19)

1.2

0.30

A39d

− 2.116

0.088

0.94

(0.59, 1.41)

− 0.2

0.19

A40o

0.951

0.074

1.00

(0.72, 1.28)

0.1

0.32

A41d

1.678

0.087

1.05

(0.70, 1.30)

0.4

0.11

A42d

3.814

0.092

1.26

(0.00, 2.06)

0.6

− 0.03

A43d

0.012

0.082

0.98

(0.94, 1.06)

− 0.7

0.32

A44o

− 0.834

0.075

0.96

(0.78, 1.22)

− 0.3

0.41

A45o

0.442

0.068

0.99

(0.84, 1.16)

− 0.1

0.36

A46d

− 0.354

0.083

0.89

(0.91, 1.09)

− 2.6

0.45

A47d

− 2.661

0.090

0.89

(0.42, 1.58)

− 0.3

0.19

A49d

− 0.206

0.083

0.90

(0.92, 1.08)

− 2.7

0.48

A50d

− 1.572

0.087

0.94

(0.71, 1.29)

− 0.4

0.34

A51d

0.388

0.083

1.01

(0.91, 1.09)

0.2

0.24

A52d

− 0.751

0.084

1.02

(0.86, 1.14)

0.4

0.13

A53d

− 1.272

0.085

0.93

(0.77, 1.23)

− 0.6

0.38

A54d

1.150

0.085

0.94

(0.80, 1.20)

− 0.6

0.39

A55d

0.416

0.083

0.88

(0.91, 1.09)

− 2.7

0.61

A56d

− 0.149

0.083

1.00

(0.93, 1.07)

0.1

0.26

A57d

0.203

0.083

0.93

(0.93, 1.07)

− 2.0

0.39

A59d

− 0.200

0.083

1.01

(0.93, 1.07)

0.3

0.26

A60d

0.781

0.084

0.95

(0.86, 1.14)

− 0.8

0.36

A61d

1.690

0.087

1.03

(0.70, 1.30)

0.2

0.10

A62o

0.938

0.074

1.05

(0.71, 1.29)

0.4

0.14

A63o

0.220

0.072

1.06

(0.85, 1.15)

0.8

0.19

A65d

− 1.021

0.085

0.95

(0.82, 1.18)

− 0.5

0.37

A66d

0.585

0.083

1.06

(0.89, 1.11)

1.1

0.08

A67d

0.213

0.083

1.03

(0.93, 1.07)

0.8

0.11

A68d

0.141

0.083

0.96

(0.93, 1.07)

− 1.2

0.33

A69o

1.578

0.081

1.02

(0.70, 1.30)

0.2

0.20

A70o

0.622

0.073

1.12

(0.82, 1.18)

1.2

0.13

A71d

− 0.488

0.083

1.01

(0.90, 1.10)

0.2

0.18

A72d

0.035

0.083

1.00

(0.94, 1.06)

0.0

0.24

A73d

1.160

0.085

1.00

(0.80, 1.20)

0.1

0.15

A74d

0.190

0.083

1.00

(0.93, 1.07)

0.1

0.25

A75o

0.600a

0.711

1.06

(0.77, 1.23)

0.6

0.34

A76d

0.265

0.083

1.03

(0.93, 1.07)

0.7

0.15

A77d

− 0.272

0.083

0.99

(0.92, 1.08)

− 0.1

0.29

A78d

− 1.277

0.086

0.96

(0.77, 1.23)

− 0.3

0.27

A79d

0.765

0.085

1.01

(0.86, 1.14)

0.2

0.13

A80d

1.254

0.085

0.98

(0.78, 1.22)

− 0.1

0.18

A81d

− 0.606

0.084

0.99

(0.88, 1.12)

− 0.1

0.21

  1. aThe item parameters were fixed to zero as part of the item analysis. One parameter is fixed by ConQuest by default for model identification purposes