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Psychological investigation of the structure of paranoia in a non-clinical population
Assessing a wide range of paranoid thoughts multidimensionally and examining their distribution, to identify the associated coping strategies and to examine social–cognitive processes and paranoia found suspiciousness is common and there may be a hierarchical arrangement of such thoughts that builds on common emotional concerns.
The measurement of delusional ideation in the normal population—-introducing the PDI (PEters et al. delusions inventory)
Measuring delusional ideation: the 21-item Peters et al. Delusions Inventory (PDI).
The PDI's psychometric properties confirmed that it remains a reliable and valid instrument to measure delusional ideation in the general population and suggested that these dimensions may be more important than the content of belief alone for placing an individual on the continuum between normal and delusional thinking.
A cognitive model of persecutory delusions.
- D. Freeman, P. Garety, E. Kuipers, D. Fowler, P. Bebbington
- PsychologyThe British journal of clinical psychology
- 1 November 2002
A multifactorial model of the formation and maintenance of persecutory delusions is presented, which includes the (non-defended) direct roles given to emotion in delusion formation, the detailed consideration of both the content and form of delusions, and the hypotheses concerning the associated emotional distress.
The Brief Core Schema Scales (BCSS): psychometric properties and associations with paranoia and grandiosity in non-clinical and psychosis samples
Extreme negative evaluations of self and others appear to be characteristic of the appraisals of people with chronic psychosis, and are associated with symptoms of grandiosity and paranoia in the non-clinical population.
The Lambeth Early Onset (LEO) Team: randomised controlled trial of the effectiveness of specialised care for early psychosis
Limited evidence shows that a team delivering specialised care for patients with early psychosis is superior to standard care for maintaining contact with professionals and for reducing readmissions to hospital.
Reasoning, emotions, and delusional conviction in psychosis.
There was evidence that belief inflexibility mediated the relationship between jumping to conclusions and delusional conviction, and anxiety, but not depression, made an independent contribution to delusional conviction.
Probabilistic Judgements in Deluded and Non-Deluded Subjects
- S. Huq, P. Garety, D. Hemsley
- PsychologyThe Quarterly journal of experimental psychology…
- 1 November 1988
An experiment is described in which deluded subjects were compared with a non-deluded psychiatric control group and a normal control group on a probabilistic inference task. Deluded subjects were…
Emotion and psychosis: Links between depression, self-esteem, negative schematic beliefs and delusions and hallucinations