Research Article
Psychometric Properties of the Apathy Scale in Advanced Parkinson’s Disease
Table 3
Corrected item-total correlations.
| Item | Coefficient |
| 1. Interested in learning? | 0.48 | 2. Anything interest you? | 0.49 | 3. Concern about your condition? | 0.16 | 4. Much effort into things? | 0.22 | 5. Looking for something to do? | 0.50 | 6. Plans and goals for the future? | 0.44 | 7. Do you have motivation? | 0.46 | 8. Energy for daily activities? | 0.47 | 9. Someone tells you what to do? | 0.31 | 10. Indifferent to things? | 0.45 | 11. Unconcerned with things? | 0.46 | 12. Need to be pushed? | 0.46 | 13. Neither happy nor sad? | 0.21 | 14. Consider yourself apathetic? | 0.48 |
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Spearman’s rank correlation coefficient. |