Towards a reliable repeated-measures beads task for assessing the jumping to conclusions bias McLean, Benjamin F Mattiske, Julie Kay Balzan, Ryan P 2018-07-03T00:32:45Z 2018-07-03T00:32:45Z 2018-04-12
dc.description © 2017 Elsevier BV. This manuscript version is made available under the CC-BY-NC-ND 4.0 license: This author accepted manuscript is made available following 12 month embargo from date of publication (April 2018) in accordance with the publisher’s archiving policy en_US
dc.description.abstract The jumping to conclusions bias (JTC), in which some people gather less information than others before making a decision, has been linked to delusions in psychosis. JTC is usually identified via the beads task, in which a sequence of beads (the “target” sequence) is used to measure the amount of evidence participants require before making a decision. Yet, despite its common use, the reliability of the task has never been properly investigated. We investigated its reliability, and tested an alternate version which used distractor sequences to obfuscate the target sequence. Healthy participants (N = 212) were randomised into two groups. One group completed ten trials using the target sequence, while the other completed ten trials of the target sequence and three distractor sequences. Our data indicated the standard task may not be reliable over repeated measures, but that by including distractor sequences, the task becomes more believable, repeatable, and reliable. Additionally, excluding first-trial data (a “silent” practice trial) also improves repeatability. These improvements to the task are relevant to single trial studies, and will be especially useful to repeated-measures longitudinal, experimental, and treatment studies. Such repeated-measures studies are important for investigating the causal link between JTC and delusions. en_US
dc.identifier.citation McLean, B. F., Mattiske, J. K., & Balzan, R. P. (2018). Towards a reliable repeated-measures beads task for assessing the jumping to conclusions bias. Psychiatry Research, 265, 200–207. j.psychres.2018.04.043 en_US
dc.identifier.doi en
dc.identifier.issn 0165-1781
dc.language.iso en en_US
dc.oaire.license.condition.license CC-BY-NC-ND
dc.publisher Elsevier en_US
dc.rights © 2017 Elsevier BV. en_US
dc.rights.holder Elsevier BV. en_US
dc.subject beads task en_US
dc.subject jumping to conclusions en_US
dc.subject repeated measures en_US
dc.subject repeatability en_US
dc.subject reliability en_US
dc.title Towards a reliable repeated-measures beads task for assessing the jumping to conclusions bias en_US
dc.type Article en
local.contributor.authorOrcidLookup Balzan, Ryan P: en_US
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
1.09 MB
Adobe Portable Document Format
Author version
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
1.84 KB
Item-specific license agreed upon to submission