Prodromal Questionnaire-16.
PQ-16
Self-report screen for psychosis risk / attenuated psychotic symptoms (perceptual abnormalities, unusual thought content, negative symptoms); distress add-on
- Provisionally grouped under
- Length and format
- 16 items. true/false endorsement + 5-point distress for endorsed items, lifetime (self-report questionnaire)
- Language versions
- Many incl. ES, NL, ZH, AR, EU (Basque), PT and others
- Licence
- open with attribution
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Ising, H.K., et al. (2012). The validity of the 16-item version of the Prodromal Questionnaire (PQ-16). Schizophrenia Bulletin, 38(6), 1288-1296.
More in Clinical: broadband and severity
- WHO-5 Well-Being Index
5 items. public-domain / open.
- ASRM - Altman Self-Rating Mania Scale
5 items. open with attribution.
- BRMS / MAS - Bech-Rafaelsen Mania Scale
11 items. copyrighted - author permission.
- BCIS - Beck Cognitive Insight Scale
15 (9 self-reflectiveness + 6 self-certainty). open with attribution.
- BSS - Beck Scale for Suicide Ideation
21 (first 19 scored; final 2 historical). copyrighted - commercial.
- BASIS-24 - Behavior and Symptom Identification Scale-24
24 items. copyrighted - commercial.
Use this instrument with your own participants
Research Seat is our white-label assessment platform for research teams and academics: we host and deliver an instrument under your branding, score it, and hand back the data. Whether we can deliver this particular one depends on its licence, which here is open with attribution. Tell us what you are measuring and we will say what is possible.