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Title: Nonclinical paranoia and values in the Prisoner's Dilemma Game
Author: Williams, Jenna
ISNI:       0000 0004 5346 2575
Awarding Body: Royal Holloway, University of London
Current Institution: Royal Holloway, University of London
Date of Award: 2014
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Paranoia is increasingly considered to be a common phenomenon in the general population and is not just a symptom of diagnosable psychiatric disorders. Recently, Ellett, Allen-Crooks, Stevens, Wildschut & Chadwick (2013) argued that distrust-based competition in the Prisoners Dilemma Game (PDG) is a novel behavioural marker for nonclinical paranoia. The present study sought to replicate the finding of Ellett et al. (2013) and to extend their research by looking to the social psychology literature on human values as additional potential motivations for competition in the PDG. Additionally, the study sought to examine relationships between paranoia in the nonclinical population and human values, and offer support for a recently refined theory of human values (Schwartz et al., 2012). Consistent with prediction, higher trait paranoia was associated with valuing face, that is, holding a commitment to security and power through maintaining one's public image and avoiding humiliation, and lower trait paranoia was associated with valuing universalism-tolerance, that is, showing acceptance and understanding for others. Secondly, and consistent with prediction, the current findings replicated that of Ellett et al. (2013) to show that distrust-based PDG competition is a behavioural marker for nonclinical paranoia. Thirdly, the present research offered a secondary behavioural marker for nonclinical paranoia based on a commitment to valuing power. Lastly, the study offered support for the circular structure of values in Schwartz's (2012) refined theory. Collectively, the current findings provided further evidence for the role of the PDG in the measurement and investigation of nonclinical paranoia, and more specifically provided a foundation for further research into the role that values could play in furthering this understanding.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: nonclinical paranoia ; paranoia ; prisoner ; dilemma game