Table 4 Outline of Psychosis dimension scale. Table shows key points and ranges on the P dimension together with the criteria defining the ranges. More details including explicit guidelines for ratings can be found on page 5 of the BADDS rating guidelines (Appendix A).
Range on P dimension | Criterion defining range |
|---|---|
0 | No evidence of psychotic or near-psychotic schizotypal features |
1 | Uncertainty about presence of psychotic-spectrum symptoms (ie. Suspected but not definite) |
2–9 | Presence of near-psychotic schizotypal features but never any clear-cut psychotic symptoms |
10–20 | Brief, clear-cut psychotic symptoms that are not a prominent feature of the illness |
21 – 100 | Clear-cut psychotic symptoms that are a prominent feature of one or more episodes of illness |