Inquisit Tests

Jumping To Conclusion (JTC) Beads Task

This implements the Jumping To Conclusions (JTC) Beads Task created by Phillips & Edwards (1966) and as described in Garety et al (1991).

(Requires Inquisit Lab to run from your computer)
Run Test Online User Manual Sample Data Last Updated: Mar 15, 2017, 1:04AM


Phillips, L. D. & Edwards, W. (1966). Conservatism in a simple probability inference task. Journal of Experimental Psychology, 72(3), 346-354.

Garety, P. A., Hemsley, D. R. & Wessely, S. (1991). Reasoning in deluded schizophrenic and paranoid patients : Biases in performance on a probabilistic inference task. Journal of Nervous and Mental Disease, 179, 194-201.

Lincoln, T. M., Lange, J., Burau, J., Exner, C., & Moritz, S. (January 01, 2010). The effect of state anxiety on paranoid ideation and jumping to conclusions. An experimental investigation. Schizophrenia Bulletin, 36, 6, 1140-8.

Evans, S., Almahdi, B., Sultan, P., Sohanpal, I., Brandner, B., Collier, T., Shergill, S. S., ... Averbeck, B. B. (January 01, 2012). Performance on a probabilistic inference task in healthy subjects receiving ketamine compared with patients with schizophrenia. Journal of Psychopharmacology (oxford, England), 26, 9, 1211-7.

So, S. H., Peters, E. R., Swendsen, J., Garety, P. A., & Kapur, S. (January 01, 2014). Changes in delusions in the early phase of antipsychotic treatment - an experience sampling study. Psychiatry Research, 215, 3, 568-73.

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