Use this URL to cite or link to this record in EThOS: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.631112
Title: A single case design study evaluating the impact of a values-based positive self- affirmations intervention on eating disorder symptons in women with bulimia nervosa
Author: Cullen, Ella
ISNI:       0000 0004 5355 5907
Awarding Body: University of Hertfordshire
Current Institution: University of Hertfordshire
Date of Award: 2014
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Abstract:
Numerous studies have reported psychological benefits associated with the practice of values-based self-affirmation. However, there is little evidence regarding their clinical applicability. Many of the purported benefits of values-based self-affirmation are highly relevant to people with bulimia nervosa (BN). This study used a multiple case study design in order to investigate the effectiveness, underlying mechanisms and acceptability of a brief (three week) intervention focussing on the development and practice of values-based self-affirmations with people who have BN. Two participants were recruited from an Eating Disorders (ED) Service waiting list. They completed questionnaires measuring cognitions associated with ED, attitude towards change, self-esteem, self-compassion, body image acceptance, psychological flexibility, cognitive defusion, and SELF repertory grids over four time points. Following appointments qualitative data was collected, and on completion of the intervention participants were interviewed, regarding their experiences. Pre and post intervention behavioural measures of BN were also collected. The use of a personal values-based self-affirmation intervention was associated with reductions in behaviours associated with BN, enhanced attitude towards change and reduced discrepancy between self and ideal self. There was little convincing evidence that the intervention was associated with a reduction in cognitions associated with ED. A very small degree of change in a positive direction was observed in relation to self-esteem, self-compassion, body image acceptance, psychological flexibility and cognitive fusion. However, scores did not reflect Reliable Change in these processes. Overall, results appeared to be slightly better explained by theory underpinning Personal Construct Psychotherapy rather than Acceptance and Commitment Therapy. However, neither theoretical explanation fully accounted for the data. Participants generally found the intervention to be acceptable. The results add novel findings to the literature regarding the use of values-based self-affirmation within the treatment of BN. They suggest that a brief values-based self-affirmation intervention might be a useful adjunct to evidence based treatment of BN. However, the case study design that is utilised in this study limits the degree to which these results may be generalised and future research should explore this further.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Clin.Psy.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.631112  DOI: Not available
Keywords: eating disorders ; bulimia nervosa ; self-affirmations ; personal values ; intervention
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