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Table 4 Summary of category structure on IAT 6- and 5- category rating scale (n = 348)

From: Psychometric property and measurement invariance of internet addiction test: the effect of socio-demographic and internet use variables

PERSON SEPARATION (RELIABILTIY)

ITEM SEPARATION (RELIABILTIY)

CATEGORY

OBSERVED

OBSVD AVRGE

SAMPLE EXPECT

INFIT MNSQ

OUTFIT MNSQ

STRUCTURE CALIBRATN

CATEGORY MEASURE

LABEL

SCORE

COUNT

%

2.44 (.86)

7.44 (.98)

0

0

2871

41

−2.10

−2.09

.98

.99

NONE

(− 2.74)

0

1

1

1164

17

−1.50

−1.53

.98

.90

−.95

1.54

1

2

2

1954

28

−1.05

− 1.04

1.01

1.00

−1.80

−.58

2

3

3

688

10

−.51

−.56

.94

.95

.24

.41

3

4

4

238

3

−.13

−.10

1.07

1.06

.73

1.49

4

5

5

45

1

−.08

.32

1.40

1.37

1.78

(3.10)

5

2.66 (.88)

6.86 (.98)

0

0

2871

41

−3.06

−3.02

.94

.97

NONE

(−3.67)

0

1

1

3118

45

−1.77

−1.80

.98

.93

−2.53

−1.31

1

2

2

688

10

−.80

−.87

.95

.95

.19

.25

2

3

3

238

3

−.28

−.17

1.11

1.22

.55

1.40

3

4

4

45

1

−.15

.37

1.43

1.77

1.77

(3.06)

5