Abstract
ABSTRACT Introduction: People diagnosed with Anorexia Nervosa (AN) are at risk for poor cognitive flexibility and excessive attention to detail. These difficulties are traditionally quantified using neuropsychological tests. These tests do not capture the subjective repercussions of these cognitive styles. The Detail and Flexibility Questionnaire (DFlex) has been specifically developed to measure these repercussions. The aim of this study was to evaluate the psychometric properties of the French version of this scale (F-DFlex) and to adapt it if needed. Methods: The instrument factor structure, internal consistency, convergent, and discriminant validity were assessed in a sample of 107 French women AN inpatients. For convergent validity, associations between F-DFlex scores, perceived levels of autistic traits (Autism Quotient questionnaire – AQ) and eating disorders symptomatology (Eating Disorder Examination Questionnaire – EDE-Q), as well as neuropsychological evaluations (Wisconsin Card Sorting Test – WCST, Rey Complex Figure – RCF) were tested. Discriminant validity was assessed by comparing F-DFlex scores of the patients with a chronic versus non-chronic illness. Results: The results of the exploratory factorial analysis led to the removal of four items. Internal consistency indices of this shortened version were good. Correlation coefficients directions and values between F-DFlex factors and relevant AQ Switching and Detail subscores were satisfactory, indicating good convergent validity. F-DFlex Rigidity scores were associated with the WCST percentage of perseverative errors, but the F-DFlex Attention to Detail scores were not associated with the RCF central coherence index. F-DFlex scores were associated with the severity of eating disorders symptomatology independently of BMI, illness duration, or anxiety, and depression. Conclusion: This study indicates good psychometric properties of this new version of the DFlex. The F-DFlex appears as a promising self-report screening tool of important cognitive dimensions for use in clinical management of people diagnosed with AN.
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