University of Twente Student Theses
The Psychometric Properties of the Forms of Self-Criticising/Attacking and Self-Reassuring Scale (FSCRS) Across Eating Disorders
Lanze, K.M. (2023) The Psychometric Properties of the Forms of Self-Criticising/Attacking and Self-Reassuring Scale (FSCRS) Across Eating Disorders.
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| Abstract: | Several studies demonstrated self-criticism being an independent and robust predictor of eating disorder (ED) pathology. Similarly, self-reassuring strategies buffer against the effects of self-critical attitudes and may increase wellbeing, eventually facilitating treatment success. Hence, management of self-criticism should be included in treatment and monitored. One well-validated tool, frequently used in ED research, is the Forms of Self-Criticising/Attacking and Self-Reassuring Scale (FSCRS). As ED diagnoses have distinct symptom presentations, it is unclear whether self-criticism is measured the same across these types. Further investigation of the FSCRS in this regard is required to ensure its valid applicability in practice. Thus, the psychometric properties of the FSCRS between ED types was examined in depth, by determining factor structure, measurement invariance across ED types and convergent validity with mental wellbeing. Confirmatory Factor Analysis (CFA) revealed a three-factor solution being superior to a two-factor solution. Also, multigroup CFA identified measurement invariance on three levels. Not enough Pearson’s correlations were strong enough to be considered convergent validity. Nonetheless, F-tests revealed no significant differences in correlations between ED types. Although promising, the results just met the established criteria and are the first in this specific context. Convergent validity could not be identified for the whole scale. Yet, self-reassurance showed adequate convergent validity. If not such strict criteria were used, convergent validity probably could have been identified. As no differences between ED types were found, the FSCRS is interpreted as valid for the different EDs in this regard. |
| Item Type: | Essay (Master) |
| Faculty: | BMS: Behavioural, Management and Social Sciences |
| Programme: | Psychology MSc (66604) |
| Link to this item: | https://purl.utwente.nl/essays/94499 |
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