Table 3 Item selection outcome based on CTT and IRT

ABS

PHD1

1.18

0.001

0.619

0.736

0.579

0.713

0.858

1.83

−1.07

−0.02

0.91

2.20

√

PHD2

0.90

0.001

0.474 ^a

0.774

0.348

0.484

0.860

1.06

−6.98

−2.53

−0.43

1.41

×

PHD3

1.21

0.001

0.540 ^a

0.750

0.509

0.659

0.734

1.17

−1.80

−0.34

0.86

2.20

√

PHD4

1.25

0.001

0.671

0.756

0.478

0.639

0.802

1.37

−1.60

−0.31

0.76

1.79

√

PHD5

0.97

0.001

0.697

0.752

0.505

0.628

0.817

1.15

−3.16

−2.50

−1.06

0.70

√

PHD6

1.21

0.001

0.510 ^a

0.771

0.392

0.566

0.644

0.91

−2.58

−0.74

0.58

2.38

×

PHD7

1.20

0.001

0.620

0.747

0.525

0.670

0.886

1.47

−1.99

−0.97

0.07

1.24

√

PHD8

1.05

0.001

0.633

0.749

0.517

0.647

0.840

1.09

−2.81

−1.51

0.04

2.17

√

SKS

PHD9

1.13

0.001

0.673

0.529

0.382

0.706

0.779

0.59

−5.48

−1.91

0.18

2.77

√

PHD10

1.01

0.001

0.668

0.473

0.421

0.644

0.751

0.61

−6.19

−3.45

−1.21

1.76

√

PHD11

1.12

0.001

0.543 ^a

0.483

0.411

0.451

0.649

1.07

−3.40

−1.09

0.18

1.74

×

APS

PHD12

1.09

0.001

0.603 ^a

0.519

0.535

0.718

0.732

1.21

−3.04

−1.85

−0.43

0.77

√

PHD13

1.21

0.001

0.655 ^a

0.612

0.307

0.574

0.719

1.20

−1.81

−0.36

0.75

2.16

×

PHD14

1.23

0.001

0.642

0.618

0.295

0.567

0.713

0.75

−3.40

−1.55

0.06

1.89

×

PHD15

1.03

0.001

0.672

0.584

0.376

0.589

0.767

0.92

−4.20

−2.45

−1.09

0.82

×

PHD16

0.89

0.915

0.528 ^a

0.590

0.367

0.555

0.809

0.80

−5.28

−4.08

−2.12

−0.43

×

PHD17

1.14

0.001

0.698

0.600

0.400

0.576

0.781

0.57

−4.35

−1.35

0.81

3.86

√

COG

PHD18

1.20

0.001

0.816

0.438

0.567

0.831

0.692

1.15

−2.22

−0.93

0.13

1.82

√

PHD19

1.14

0.001

0.848

0.419

0.585

0.829

0.727

0.87

−3.59

−1.33

0.28

2.03

√

PHD20

1.12

0.001

0.584 ^a

0.779

0.302

0.657

0.840

0.87

−2.74

−0.94

0.68

3.15

×

IND

PHD21

1.07

0.033

0.633

0.635

0.525

0.788

0.815

1.05

−3.25

−2.23

−0.80

0.81

√

PHD22

1.14

0.002

0.708

0.582

0.566

0.824

0.813

1.18

−2.92

−1.67

−0.40

0.82

√

PHD23

1.07

0.018

0.777

0.653

0.509

0.780

0.820

0.64

−5.93

−2.96

−0.93

1.40

√

AND

PSD1

1.19

0.001

0.504 ^a

0.807

0.532

0.645

0.774

1.54

−1.26

−0.26

0.77

2.33

√

PSD2

1.07

0.001

0.704

0.805

0.558

0.656

0.768

1.33

−2.85

−1.11

0.33

1.62

√

PSD3

1.39

0.001

0.606

0.814

0.481

0.622

0.628

0.97

−1.96

−0.61

0.61

1.41

√

PSD4

1.21

0.001

0.680

0.797

0.624

0.721

0.829

2.16

−0.91

0.09

0.95

1.86

√

PSD5

1.19

0.001

0.611

0.809

0.517

0.633

0.814

1.04

−2.64

−0.97

0.17

1.85

√

PSD6

1.36

0.001

0.699

0.804

0.555

0.679

0.781

1.19

−1.24

−0.23

0.64

1.96

√

PSD7

1.20

0.001

0.658

0.809

0.513

0.631

0.817

1.17

−2.78

−1.24

−0.20

0.99

√

PSD8

1.36

0.001

0.589

0.809

0.516

0.648

0.626

1.17

−1.74

−0.51

0.34

1.44

√

PSD9

1.16

0.001

0.597 ^a

0.813

0.476

0.596

0.858

1.45

−2.31

−0.34

0.42

1.74

√

CON

PSD10

1.34

0.001

0.691

0.624

0.237

0.511

0.830

0.78

−1.59

0.05

1.45

2.85

√

PSD11

0.94

0.001

0.623 ^a

0.590

0.328

0.509

0.844

0.68

−5.55

−4.47

−2.09

0.33

×

PSD12

1.43

0.001

0.650

0.611

0.283

0.564

0.722

0.60

−2.71

1.20

0.21

1.95

√

PSD13

0.93

0.001

0.676

0.591

0.326

0.505

0.860

0.61

−7.67

−4.43

−1.99

0.69

×

PSD14

1.02

0.001

0.632

0.546

0.471

0.640

0.804

1.24

−4.19

−1.87

−0.43

0.85

√

PSD15

1.03

0.001

0.634

0.551

0.454

0.629

0.776

0.85

−4.51

−2.66

−1.29

0.70

√

PSD16

1.25

0.001

0.504 ^a

0.587

0.334

0.571

0.721

0.95

−2.97

−1.23

−0.20

1.19

×

DIO

PSD17

1.16

0.001

0.749

-

0.461

0.836

0.736

1.20

−2.17

−0.65

0.66

2.05

√

PSD18

1.31

0.001

0.686

-

0.461

0.873

0.782

1.25

−1.40

−0.23

0.82

1.85

√

SOS

SOD1

0.85

0.836

0.719

0.476

0.480

0.702

0.854

1.23

−6.39

−2.98

−1.00

0.55

×

SOD2

0.95

0.492

0.606 ^a

0.567

0.336

0.628

0.842

0.89

−7.79

−2.62

−1.43

0.58

×

SOD3

0.90

0.480

0.767

0.462

0.489

0.720

0.855

0.60

−6.92

−5.35

−2.33

0.36

×

SOD4

1.26

0.036

0.579 ^a

0.636

0.296

0.690

0.785

0.94

−2.47

−0.44

0.73

2.05

√

SOA

SOD5

1.06

0.001

0.786

0.797

0.543

0.646

0.731

0.44

−6.55

−4.41

−1.26

2.72

√

SOD6

1.27

0.001

0.835

0.792

0.576

0.692

0.741

0.25

−8.24

−4.67

−0.42

4.89

√

SOD7

1.22

0.001

0.438 ^a

0.804

0.481

0.611

0.771

0.38

−5.95

−2.52

0.75

3.99

√

SOD8

1.26

0.001

0.385

0.803

0.488

0.621

0.849

0.57

−3.06

−0.25

1.91

3.49

√

SOD9

1.26

0.001

0.821

0.809

0.433

0.566

0.742

0.46

−6.51

−2.60

−0.23

2.69

√

SOD10

1.19

0.001

0.630

0.793

0.575

0.685

0.638

0.79

−3.19

−1.53

0.32

2.02

√

SOD11

1.18

0.017

0.693

0.803

0.490

0.614

0.757

0.67

−4.33

−1.78

−0.01

2.18

√

SOD12

1.28

0.015

0.748

0.799

0.525

0.653

0.915

0.49

−4.45

−1.79

0.52

2.82

√

SOD13

1.17

0.001

0.713

0.796

0.545

0.659

0.832

0.41

−5.81

−2.58

0.77

4.31

√

SAT

TRD1

1.03

0.001

0.755

0.505

0.434

0.752

0.739

0.88

−4.05

−1.27

0.92

2.53

√

TRD2

0.98

0.009

0.722

0.498

0.441

0.742

0.759

0.58

−7.28

−2.96

0.05

3.16

√

TRD3

1.13

0.001

0.720

0.552

0.406

0.765

0.878

0.46

−4.13

−0.88

2.86

5.24

√

COM

TRD4

1.03

0.537

0.794

0.524

0.449

0.767

0.825

0.42

−8.59

−5.10

−2.36

1.43

√

TRD5

1.11

0.039

0.617

0.587

0.413

0.771

0.728

0.61

−6.83

−2.68

−1.25

1.19

√

TRD6

0.89

0.043

0.778

0.499

0.479

0.747

0.834

0.49

−9.49

−5.76

−3.07

0.59

√

DSE

TRD7

1.23

0.001

0.801

0.444

0.494

0.744

0.716

1.06

−2.04

−0.57

0.80

2.10

√

TRD8

1.26

0.001

0.683

0.504

0.417

0.701

0.632

0.61

−3.48

−0.34

1.12

3.19

√

TRD9

1.23

0.005

0.487 ^a

0.564

0.338

0.640

0.669

0.95

−2.00

−0.86

0.77

2.42

×

TRD10

1.28

0.006

0.631

0.602

0.290

0.618

0.702

0.82

−1.93

−0.03

1.32

2.66

√