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An ecological momentary assessment study of instability in self-concept clarity and self-esteem in borderline personality and anxiety disorders

Author
Scala, John Wesley
Published
[University Park, Pennsylvania] : Pennsylvania State University, 2020.
Physical Description
1 electronic document
Additional Creators
Levy, Kenneth N.
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Open Access.
Summary
Objective: Utilizing an ecological momentary assessment (EMA) approach, the proposed study aims to examine whether instability in self-concept clarity and self-esteem differs between patients with BPD and those with anxiety disorders. Method: Outpatients diagnosed with either BPD (N=36) or any anxiety disorder but no BPD (n=18) completed surveys on smartphone devices throughout the day over a 21-day period. Surveys were completed at 6 random times throughout the day, approximately every 2 hours. We examined: 1) mean ratings, 2) variability, and 3) two indices of instability (defined as large changes in successive scores and the likelihood of extreme successive changes) in momentary self-concept clarity and self-esteem over time using a multilevel modeling framework. Results: Participants in the BPD group had similar mean ratings of self-concept clarity and self-esteem, compared to those in the anxiety disorder group, but had greater variability in both self-concept clarity and self-esteem. Participants did not differ in terms of successive differences (amplitude), and the probability of large, acute changes in self-concept clarity and self-esteem. Conclusions: This study makes a unique contribution to the literature by examining instability in identity in BPD at the momentary level through the use of an EMA approach and informs future research in this area by further building knowledge of the underlying pathology that characterizes BPD.
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Dissertation Note
Ph.D. Pennsylvania State University 2020.
Technical Details
The full text of the dissertation is available as an Adobe Acrobat .pdf file ; Adobe Acrobat Reader required to view the file.
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