Table 5.
Content validity of the pre-final version of the DTCQ-8 for other drugs
| Item of DTCQ-8 | Clarity of language | Practical relevance | Theoretical relevance |
|---|---|---|---|
| 1 | 1.000 | 0.889 | 0.889 |
| 2 | 0.778 | 0.889 | 0.889 |
| 3 | 1.000 | 0.889 | 0.889 |
| 4 | 1.000 | 1.000 | 1.000 |
| 5 | 1.000 | 1.000 | 1.000 |
| 6 | 1.000 | 1.000 | 1.000 |
| 7 | 1.000 | 1.000 | 1.000 |
| 8 | 1.000 | 1.000 | 1.000 |
| Average of the items | 0.972 | 0.958 | 0.958 |