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 |