Stages in PsAQoL development
| Stage | Activity |
|---|---|
| 1 | Qualitative patient interviews |
| 2 | Content analysis of interview transcripts and identification of potential items for PsAQoL |
| 3 | Field test patient interviews |
| 4 | Postal survey for item reduction |
| 5 | Test-retest postal survey to establish reliability and construct validity |