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ULL-27 quality of life questionnaire of physical, psychological, social, and global measures of reliability test.
| Cronbach's alpha | Number of questions | |
|---|---|---|
| Physical Score | 0.90 | 15 |
| Psychological Score | 0.87 | 7 |
| Social Score | 0.75 | 5 |
| Global Score | 0.93 | 27 |
