Skip to main content

Table 3 GRM item characteristics for the 24 item FVQ_CYP_NL (n = 253)

From: Cross-cultural validation of the Functional Vision Questionnaire for Children and Young People (FVQ_CYP) with visual impairment in the Dutch population: challenges and opportunities

Item

Item content

Discrimination α

Threshold β1

Threshold β2

Item information

X2

P-value

FV_1

Watching TV

1.32

−0.26

2.49

2.45

8.17

0.52

FV_2

Playing video and computer games

1.19

− 0.02

2.56

2.12

13.04

0.22

FV_3

Playing other games, e.g. board games or card games

1.41

−0.57

1.89

2.58

12.41

0.26

FV_8

Telling the time on a wall clock

1.74

−0.84

0.85

3.06

13.45

0.20

FV_9

Using the computer for lessons

1.29

−0.36

2.60

2.41

11.51

0.18

FV_10

Reading small print text books, worksheets and exam papers

1.11

−2.26

−0.43

1.76

11.69

0.39

FV_11

Reading enlarged text books, worksheets and exam papers

2.27

−0.004

1.70

4.26

8.95

0.18

FV_13

Reading hand writing

1.22

−2.24

0.24

2.17

9.03

0.53

FV_14

Seeing the board in the class

1.42

−1.05

0.88

2.46

19.18

0.12

FV_15

Recognizing people, e.g. in school corridors

1.50

−0.67

1.33

2.66

11.86

0.46

FV_16

Recognizing other people’s facial expressions

1.67

−1.03

0.74

2.96

19.43

0.05

FV_17

Finding friends in the playground

1.36

−1.24

0.67

2.33

15.44

0.22

FV_24

Keeping up with other students in class

1.28

−1.19

1.20

2.27

14.36

0.35

FV_25

Getting around the school by yourself

1.72

−0.23

2.11

3.24

14.04

0.05

FV_26

Getting around outdoors by yourself

1.80

−0.44

1.63

3.34

9.00

0.44

FV_27

Reading signs and posters at stations or shops

1.64

−1.28

0.40

2.84

13.22

0.21

FV_28

Getting around in crowds by yourself

1.25

−2.05

−0.23

2.05

15.07

0.18

FV_29

Seeing small moving objects, e.g. balls

1.26

−1.80

0.23

2.15

14.90

0.19

FV_30

Seeing large moving objects, e.g. cars passing

1.82

−0.34

1.36

3.25

14.89

0.19

FV_31

Using the escalators

1.58

−0.34

1.80

2.89

13.38

0.15

FV_32

Playing team sports, e.g. football, without adaptations

1.58

−0.86

1.16

2.85

12.22

0.27

FV_33

Watching films in the cinema

1.90

−0.37

1.77

3.59

8.50

0.29

FV_35

Reading price tags

1.61

−1.45

0.64

2.93

15.53

0.11

FV_36

Finding correct money to pay

1.48

−1.16

1.17

2.70

9.81

0.46

Back to article page

BMC Medical Research Methodology

ISSN: 1471-2288

Contact us