Social identity and psychosis: a systematic review of social identity in the context of psychosis and related experiences; and, An empirical research study examining the association between social identity and paranoia, through the mediators of trust and hostile attribution bias
dc.contributor.advisor
Griffiths, Helen
dc.contributor.advisor
Gillings, Kirsty
dc.contributor.author
Cooper, Hannah
dc.date.accessioned
2022-10-12T15:10:28Z
dc.date.available
2022-10-12T15:10:28Z
dc.date.issued
2022-10-12
dc.description.abstract
BACKGROUND: It is theorised there are important social factors in the development
and maintenance of psychosis. Social identity theory states our sense of belonging
to groups is internalised into our personal identity and research has demonstrated
social identity is protective against physical and mental health difficulties. There is
sound rationale for social identity being associated with psychosis and related
experiences, both clinically and in the general population.
AIMS: This thesis firstly aimed to conduct a systematic review exploring what
research has been done to date exploring social identity in the context of psychosis.
The second part of this thesis aimed to conduct an empirical study investigating the
association of family and friendship group identity on paranoia, through the
mediators of trust and hostile attribution bias.
METHOD: The systematic review searched nine databases using relevant key words
for research papers and judged these against inclusion and exclusion criteria. The
quality of the final papers was assessed. A cross-sectional quantitative empirical
study was conducted. Adults from the general population, including individuals with
and without psychosis, were recruited.
RESULTS: The systematic review revealed fourteen papers relevant to the research
question. A narrative synthesis found stronger evidence for direct associations
between small group social identities and psychosis-related experiences, and
indirect associations for larger group social identities. The quality of papers was
moderate to good with strengths in theoretical frameworks and limitations in sample
representation. Findings from the empirical study showed social identity was a
significant predictor of both paranoia and schizotypy. A mediation analysis found
trust and hostile attribution bias significantly mediated this relationship.
CONCLUSIONS: The results suggest there is an association between social identity
and psychosis-related experiences. The strength of this association seems to
depend on the type of social identity and the specific psychosis-related experience.
The mechanisms of this relationship appear to be important and vary depending on
the precise social identities and experiences. This has implications for considering
the importance of social identity. A systematic review of social identity in the context
of psychosis and related experiences.
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dc.identifier.uri
https://hdl.handle.net/1842/39425
dc.identifier.uri
http://dx.doi.org/10.7488/era/2675
dc.language.iso
en
en
dc.publisher
The University of Edinburgh
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dc.subject
friendship group identity
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dc.subject
family group identity
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dc.subject
trust
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dc.subject
hostile attribution bias
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dc.subject
paranoia
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dc.title
Social identity and psychosis: a systematic review of social identity in the context of psychosis and related experiences; and, An empirical research study examining the association between social identity and paranoia, through the mediators of trust and hostile attribution bias
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dc.type
Thesis or Dissertation
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dc.type.qualificationlevel
Doctoral
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dc.type.qualificationname
DClinPsychol Doctorate in Clinical Psychology
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