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Table 2 Content validity index of each item for relevance, clarity, simplicity and ambiguity

From: A questionnaire for assessing breastfeeding intentions and practices in Nigeria: validity, reliability and translation

ITEM

RELEVANCE

CLARITY

SIMPLICITY

AMBIGUITY

1

0.80

1.00

1.00

1.00

2

1.00

1.00

1.00

1.00

3

0.80

0.80

0.80

1.00

4

1.00

1.00

1.00

1.00

5

1.00

1.00

1.00

1.00

6

1.00

1.00

1.00

1.00

7

1.00

1.00

1.00

1.00

8

0.80

1.00

1.00

0.80

9

0.60

0.80

0.80

0.80

10

1.00

1.00

1.00

1.00

11

1.00

0.80

0.80

0.80

12

1.00

0.80

1.00

0.80

13

1.00

1.00

1.00

1.00

14

1.00

1.00

1.00

1.00

15

1.00

0.80

0.80

0.80

16

1.00

0.80

0.80

0.80

17

1.00

1.00

0.80

0.80

18

1.00

1.00

1.00

1.00

19

1.00

0.60

0.60

0.40

20

1.00

1.00

1.00

1.00

21

1.00

1.00

1.00

1.00

22

1.00

1.00

1.00

1.00

23

1.00

1.00

1.00

1.00

24

1.00

1.00

1.00

1.00

25

0.60

0.80

0.80

0.80

26

0.80

0.80

0.80

0.80

27

1.00

1.00

1.00

1.00

28

1.00

1.00

1.00

1.00

29

0.80

0.80

0.80

0.80

30

1.00

1.00

1.00

1.00

31

1.00

0.80

1.00

0.80

32

0.80

1.00

1.00

1.00

33

0.80

0.80

0.80

0.80

34

0.60

0.80

0.80

0.80

35

0.80

0.80

0.80

0.80

36

0.80

0.80

0.80

0.80

37

1.00

1.00

1.00

1.00

38

0.80

0.80

0.80

0.80

39

0.80

1.00

1.00

1.00

40

0.80

1.00

1.00

1.00

41

0.80

1.00

1.00

1.00

42

1.00

1.00

1.00

1.00

43

1.00

0.80

0.80

0.80

44

1.00

1.00

1.00

1.00

45

1.00

0.60

0.80

0.60

46

1.00

1.00

1.00

1.00

47

1.00

0.80

1.00

0.80

48

1.00

1.00

1.00

1.00

49

1.00

1.00

0.80

0.80

50

1.00

0.80

1.00

0.80

51

0.80

1.00

1.00

1.00

52

1.00

0.80

0.80

0.80

53

0.80

0.60

0.60

0.60

54

1.00

1.00

0.80

1.00

55

0.80

0.80

0.80

0.80

56

1.00

1.00

1.00

1.00

57

1.00

1.00

1.00

1.00

58

1.00

1.00

1.00

0.80

59

1.00

1.00

1.00

0.80

60

1.00

1.00

1.00

1.00

61

1.00

1.00

1.00

1.00

62

0.80

0.80

0.80

0.80

63

1.00

1.00

1.00

1.00

64

1.00

1.00

1.00

1.00

65

1.00

1.00

1.00

1.00

66

1.00

1.00

1.00

1.00

67

1.00

0.80

1.00

1.00

68

1.00

0.80

1.00

1.00

69

0.80

0.80

0.80

0.80

70

0.60

0.40

0.40

0.40

71

1.00

0.80

0.80

0.80