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Table 8 Content validity of the dimension “Independence in everyday life”

From: Development and evaluation of the content validity, practicability and feasibility of the Innovative dementia-oriented Assessment system for challenging behaviour in residents with dementia

 

Relevance of the questions

Clarity of the questions

Meaningfulness of the answers

Completeness of the answers

No

Content of the items

Number of experts

Number of ratings of 3 or 4

I-CVIa

pc b

k* c

Evaluationd

Number of experts

Number of ratings of 3 or 4

I-CVIa

pc b

k* c

Evaluationd

Number of experts

Number of ratings of 3 or 4

I-CVIa

pc b

k* c

Evaluationd

Number of experts

Number of ratings of 3 or 4

I-CVIa

pc b

k* c

Evaluationd

1

Dependence in movement

10

9

0.90

0.010

0.90

****

10

10

1.00

0.001

1.00

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

-

2

Resources in movement

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

***

3

Dependence in personal hygiene

10

7

0.70

0.117

0.66

****

10

10

1.00

0.001

1.00

****

10

7

0.70

0.117

0.66

***

10

7

0.70

0.117

0.66

****

4

Resources in personal hygiene

10

8

0.80

0.044

0.79

****

10

10

1.00

0.001

1.00

****

10

7

0.70

0.117

0.66

****

10

7

0.70

0.117

0.66

****

5

Dependence in dressing

10

8

0.80

0.044

0.79

****

10

9

0.90

0.010

0.90

****

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

***

6

Resources in dressing

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

****

10

7

0.70

0.117

0.66

***

10

7

0.70

0.117

0.66

***

7

Dependence in nutrition

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

8

Resources in nutrition

9

8

0.89

0.018

0.89

****

10

9

0.90

0.010

0.90

****

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

****

9

Dependence in elimination

10

10

1.00

0.001

1.00

***

8

7

0.88

0.031

0.87

****

10

9

0.90

0.010

0.90

****

10

9

0.90

0.010

0.90

****

10

Resources in elimination

10

10

1.00

0.001

1.00

****

10

10

1.00

0.001

1.00

****

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

****

11

Dependence in leisure time activities

10

7

0.70

0.117

0.66

***

10

6

0.60

0.205

0.50

**

10

6

0.60

0.205

0.50

**

10

6

0.60

0.205

0.50

**

12

Resources in leisure time

10

7

0.70

0.117

0.66

***

10

8

0.80

0.044

0.79

***

10

6

0.60

0.205

0.50

**

10

6

0.60

0.205

0.50

**

13

Dependence in social contacts

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

***

10

7

0.70

0.117

0.66

***

10

7

0.70

0.117

0.66

***

14

Resources in social contacts

10

8

0.80

0.044

0.79

****

10

8

0.80

0.044

0.79

****

10

6

0.60

0.205

0.50

**

10

6

0.60

0.205

0.50

**

15

Other dependencies

10

6

0.60

0.205

0.50

**

10

7

0.70

0.117

0.66

***

10

5

0.50

0.246

0.34

*

10

5

0.50

0.246

0.34

*

16

Other resources

9

5

0.56

0.246

0.41

**

9

7

0.78

0.070

0.76

****

9

5

0.56

0.246

0.41

**

9

5

0.56

0.246

0.41

**

17

Burden through dependencies

10

9

0.90

0.010

0.90

****

9

7

0.78

0.070

0.76

****

9

6

0.67

0.164

0.60

***

9

6

0.67

0.164

0.60

***

  

S-CVI/AVE 0.81

   

S-CVI/AVE 0.85

****

  

S-CVI/AVE 0.72

   

S-CVI/AVE 0.72

   
  

S-CVI/UA 0.12

   

S-CVI/UA 0.24

   

S-CVI/UA 0.00

   

S-CVI/UA 0.00

   
  1. a I-CVI (content validity index) = number of experts providing a rating of 3 or 4/number of experts
  2. b pc (probability of chance occurrence) = [N!/A!(N-A)!] × 0.5N, N = number of experts; A = number of experts agreeing on a rating of 3 or 4
  3. c k* (modified kappa) = (I-CVI-pc)(1-pc)
  4. d Evaluation criteria for level of content validity: relationship between I-CVI and k*; excellent validity = I-CVI ≥ 0.78 and k* > 0.74 (****); good validity I-CVI < 0.78 and ≥ 0.60 and k* ≤ 0.74 (***); fair validity I-CVI < 0.6 and ≥ 0.40 and k* ≤0.59 (**); poor validity I-CVI < 0.4 and k* <0.40 (*)