King's College London

Research portal

Paranoia, sensitization and social inference: Findings from two large-scale, multi-round behavioural experiments

Research output: Contribution to journalArticlepeer-review

Standard

Paranoia, sensitization and social inference : Findings from two large-scale, multi-round behavioural experiments. / Barnby, J. M.; Deeley, Q.; Robinson, O. et al.

In: Royal Society open science, Vol. 7, No. 3, rsos191525, 01.03.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

Barnby, JM, Deeley, Q, Robinson, O, Raihani, N, Bell, V & Mehta, MA 2020, 'Paranoia, sensitization and social inference: Findings from two large-scale, multi-round behavioural experiments', Royal Society open science, vol. 7, no. 3, rsos191525. https://doi.org/10.1098/rsos.191525

APA

Barnby, J. M., Deeley, Q., Robinson, O., Raihani, N., Bell, V., & Mehta, M. A. (2020). Paranoia, sensitization and social inference: Findings from two large-scale, multi-round behavioural experiments. Royal Society open science, 7(3), [rsos191525]. https://doi.org/10.1098/rsos.191525

Vancouver

Barnby JM, Deeley Q, Robinson O, Raihani N, Bell V, Mehta MA. Paranoia, sensitization and social inference: Findings from two large-scale, multi-round behavioural experiments. Royal Society open science. 2020 Mar 1;7(3). rsos191525. https://doi.org/10.1098/rsos.191525

Author

Barnby, J. M. ; Deeley, Q. ; Robinson, O. et al. / Paranoia, sensitization and social inference : Findings from two large-scale, multi-round behavioural experiments. In: Royal Society open science. 2020 ; Vol. 7, No. 3.

Bibtex Download

@article{94e2b4ae855b444781150e0189114a25,
title = "Paranoia, sensitization and social inference: Findings from two large-scale, multi-round behavioural experiments",
abstract = "The sensitization model suggests that paranoia is explained by over-sensitivity to social threat. However, this has been difficult to test experimentally. We report two preregistered social interaction studies that tested (i) whether paranoia predicted overall attribution and peak attribution of harmful intent and (ii) whether anxiety, interpersonal sensitivity and worry predicted the attribution of harmful intent. In Study 1, we recruited a large general population sample (N = 987) who serially interacted with other participants in multi-round dictator games and matched to fair, partially fair or unfair partners. Participants rated attributions of harmful intent and self-interest after each interaction. In Study 2 (N = 1011), a new sample of participants completed the same procedure and additionally completed measures of anxiety, worry and interpersonal sensitivity. As predicted, prior paranoid ideation was associated with higher and faster overall harmful intent attributions, whereas attributions of self-interest were unaffected, supporting the sensitization model. Contrary to predictions, neither worry, interpersonal sensitivity nor anxiety was associated with harmful intent attributions. In a third exploratory internal meta-analysis, we combined datasets to examine the effect of paranoia on trial-by-trial attributional changes when playing fair and unfair dictators. Paranoia was associated with a greater reduction in harmful intent attributions when playing a fair but not unfair dictator, suggesting that paranoia may also exaggerate the volatility of beliefs about the harmful intent of others.",
keywords = "Interpersonal sensitivity, Paranoia, Psychosis, Social inference",
author = "Barnby, {J. M.} and Q. Deeley and O. Robinson and N. Raihani and V. Bell and Mehta, {M. A.}",
year = "2020",
month = mar,
day = "1",
doi = "10.1098/rsos.191525",
language = "English",
volume = "7",
journal = "Royal Society open science",
issn = "2054-5703",
publisher = "The Royal Society",
number = "3",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Paranoia, sensitization and social inference

T2 - Findings from two large-scale, multi-round behavioural experiments

AU - Barnby, J. M.

AU - Deeley, Q.

AU - Robinson, O.

AU - Raihani, N.

AU - Bell, V.

AU - Mehta, M. A.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - The sensitization model suggests that paranoia is explained by over-sensitivity to social threat. However, this has been difficult to test experimentally. We report two preregistered social interaction studies that tested (i) whether paranoia predicted overall attribution and peak attribution of harmful intent and (ii) whether anxiety, interpersonal sensitivity and worry predicted the attribution of harmful intent. In Study 1, we recruited a large general population sample (N = 987) who serially interacted with other participants in multi-round dictator games and matched to fair, partially fair or unfair partners. Participants rated attributions of harmful intent and self-interest after each interaction. In Study 2 (N = 1011), a new sample of participants completed the same procedure and additionally completed measures of anxiety, worry and interpersonal sensitivity. As predicted, prior paranoid ideation was associated with higher and faster overall harmful intent attributions, whereas attributions of self-interest were unaffected, supporting the sensitization model. Contrary to predictions, neither worry, interpersonal sensitivity nor anxiety was associated with harmful intent attributions. In a third exploratory internal meta-analysis, we combined datasets to examine the effect of paranoia on trial-by-trial attributional changes when playing fair and unfair dictators. Paranoia was associated with a greater reduction in harmful intent attributions when playing a fair but not unfair dictator, suggesting that paranoia may also exaggerate the volatility of beliefs about the harmful intent of others.

AB - The sensitization model suggests that paranoia is explained by over-sensitivity to social threat. However, this has been difficult to test experimentally. We report two preregistered social interaction studies that tested (i) whether paranoia predicted overall attribution and peak attribution of harmful intent and (ii) whether anxiety, interpersonal sensitivity and worry predicted the attribution of harmful intent. In Study 1, we recruited a large general population sample (N = 987) who serially interacted with other participants in multi-round dictator games and matched to fair, partially fair or unfair partners. Participants rated attributions of harmful intent and self-interest after each interaction. In Study 2 (N = 1011), a new sample of participants completed the same procedure and additionally completed measures of anxiety, worry and interpersonal sensitivity. As predicted, prior paranoid ideation was associated with higher and faster overall harmful intent attributions, whereas attributions of self-interest were unaffected, supporting the sensitization model. Contrary to predictions, neither worry, interpersonal sensitivity nor anxiety was associated with harmful intent attributions. In a third exploratory internal meta-analysis, we combined datasets to examine the effect of paranoia on trial-by-trial attributional changes when playing fair and unfair dictators. Paranoia was associated with a greater reduction in harmful intent attributions when playing a fair but not unfair dictator, suggesting that paranoia may also exaggerate the volatility of beliefs about the harmful intent of others.

KW - Interpersonal sensitivity

KW - Paranoia

KW - Psychosis

KW - Social inference

UR - http://www.scopus.com/inward/record.url?scp=85083299058&partnerID=8YFLogxK

U2 - 10.1098/rsos.191525

DO - 10.1098/rsos.191525

M3 - Article

AN - SCOPUS:85083299058

VL - 7

JO - Royal Society open science

JF - Royal Society open science

SN - 2054-5703

IS - 3

M1 - rsos191525

ER -

View graph of relations

© 2020 King's College London | Strand | London WC2R 2LS | England | United Kingdom | Tel +44 (0)20 7836 5454