Skip to main content

Table 4 The Cronbach's alpha and the Intraclass Correlation Coefficients (ICC) for the Persian version of the APQ

From: The Persian short form Aging Perceptions Questionnaire (APQ-P): A validation study

 

Number of Items

Cronbach’s alpha

95% CI

ICC

Upper limit

Lower limit

20 Items

32 items

20 Items

32 items

20 Items

32 items

20 Items

32 items

20 Items

32 items

Consequences negative

8

5

0.87

0.81

0.99

0.83

0.97

0.82

0.98

0.82

Emotional representation

6

5

0.82

0.81

0.95

0.90

0.80

0.88

0.90

0.89

Control positive

3

5

0.87

0.33

0.96

0.54

0.82

0.38

0.92

0.46

Consequences positive

3

3

0.80

0.77

0.98

0.87

0.95

0.80

0.97

0.83

Timeline chronic

5

0.82

0.99

0.97

0.98

Timeline Cyclical

5

0.64

0.99

0.84

0.93

Control negative

4

0.84

0.99

0.96

0.98

Total

20

32

0.83

0.51

0.99

0.98

0.95

0.92

0.98

0.96