GPTS
Green Paranoid Thought Scales (GPTS)
The GPTS is a self-report questionnaire designed to assess the extent and severity of paranoid thoughts in the adult population. It has two distinct subscales, one covering ideas of persecution and the other ideas of reference, allowing a detailed and nuanced assessment of the paranoid spectrum.
- Number of questions
- 32 questions
- Estimated duration
- 10 minutes
- Language
- English
- Original name
- Green Paranoid Thought Scales
- Target audience
- Adults
- Authors
- Daniel Freeman, Philippa Garety, David Fowler, Paul Bebbington, Elizabeth Dunn, Graham Kuipers (2008)
Scoring & interpretation
Each item is rated on a 5-point Likert scale ranging from 'Not at all' to 'Totally'. The subscale scores (persecution and reference) are summed to obtain overall and subdimension scores. Higher scores indicate a greater level of paranoid thinking.
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