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Table 4 Item calibration, standard error of item calibrations, point-biserial correlations and infit/outfit mean squares generated by WINSTEPS

From: Rasch analysis and differential item functioning of English language anxiety scale (ELAS) across sex in Egyptian context

Items

Item difficulty (measure)

SE

Infit

Outfit

PTME

MSQ

ZSTD

MSQ

ZSTD

SP8

0.84

0.05

0.95

 − 0.92

0.96

 − 0.68

0.74

SP5

0.53

0.05

0.95

 − 0.86

0.97

 − 0.48

0.70

SP2

0.52

0.05

1.01

0.19

0.99

 − 0.09

0.70

SP4

0.47

0.05

1.58

8.98

1.56

8.64

0.64

SP3

0.07

0.05

0.75

 − 4.90

0.76

 − 4.72

0.72

SP6

 − 0.50

0.05

0.98

 − 0.37

0.96

 − 0.68

0.71

SP7

 − 0.93

0.06

0.89

 − 1.98

0.87

 − 2.39

0.70

SP1

 − 1.01

0.06

0.83

 − 3.03

0.80

 − 3.58

0.73

WR4

0.93

0.06

0.97

 − 0.60

0.97

 − 0.50

0.71

WR3

0.42

0.06

1.20

3.30

1.21

3.52

0.61

WR8

0.26

0.06

0.86

 − 2.59

0.85

 − 2.74

0.66

WR6

0.05

0.06

0.94

 − 1.12

0.96

 − 0.67

0.66

WR7

 − 0.07

0.06

1.32

5.15

1.29

4.78

0.59

WR2

 − 0.47

0.06

0.86

 − 2.56

0.86

 − 2.55

0.70

WR5

 − 0.54

0.06

0.91

 − 1.72

0.88

 − 2.16

0.72

WR1

 − 0.59

0.06

0.91

 − 1.56

0.92

 − 1.45

0.70

RE8

0.72

0.06

0.93

 − 1.24

0.94

 − 1.14

0.68

RE6

0.40

0.06

1.35

5.63

1.34

5.39

0.65

RE3

0.33

0.06

1.07

1.16

1.05

0.95

0.71

RE4

0.26

0.06

0.81

 − 3.57

0.80

 − 3.71

0.74

RE2

0.03

0.06

0.79

 − 4.06

0.78

 − 4.22

0.76

RE1

 − 0.46

0.06

0.74

 − 5.07

0.74

 − 5.14

0.74

RE5

 − 0.60

0.06

1.03

0.61

1.03

0.56

0.70

RE7

 − 0.69

0.06

1.25

4.09

1.25

4.13

0.62

LI3

0.50

0.05

0.82

 − 3.31

0.80

 − 3.49

0.76

LI4

0.45

0.05

1.09

1.51

1.06

1.03

0.67

LI5

0.34

0.05

0.65

 − 7.20

0.64

 − 6.92

0.78

LI6

0.18

0.05

1.34

5.55

1.36

5.58

0.57

LI7

0.08

0.05

0.84

 − 2.94

0.85

 − 2.65

0.77

LI1

0.04

0.05

0.90

 − 1.79

0.90

 − 1.82

0.68

LI8

 − 0.65

0.05

1.12

2.16

1.11

1.91

0.68

LI2

 − 0.94

0.05

1.18

3.15

1.19

3.18

0.60