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Hypothesis testing in patients with persecutory delusions: comparisons with depressed and normal subjects
- Authors:
- YOUNG Heather Frances, BENTALL Richard Pendril
- Journal article citation:
- British Journal of Clinical Psychology, 34(3), September 1995, pp.353-369.
- Publisher:
- Wiley
The hypothesis-testing skills of patients with persecutory delusions were studied, and compared with those of matched depressed and normal control groups. The groups did not differ in the range of total number of hypotheses generated. The deluded subjects were less inclined than the controls to stick to their hypotheses when given positive feedback and were inclined to stick to their hypotheses following negative feedback. They also showed less evidence of 'focusing' down their hypothesis to an overall correct solution, in response to successive feedback.