Factorial structure and preliminary validation of the Schema Mode Inventory for Eating Disorders (SMI-ED)

Susan G. Simpson, Giada Pietrabissa, Alessandro Rossi, Tahnee Seychell, Gian Mauro Manzoni, Calum Munro, Julian B. Nesci, Gianluca Castelnuovo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

12 Citazioni (Scopus)


Objective: The aim of this study was to examine the psychometric properties and factorial structure of the Schema Mode Inventory for Eating Disorders (SMI-ED) in a disordered eating population. Method: 573 participants with disordered eating patterns as measured by the Eating Disorder Examination Questionnaire (EDE-Q) completed the 190-item adapted version of the Schema Mode Inventory (SMI). The new SMI-ED was developed by clinicians/researchers specializing in the treatment of eating disorders, through combining items from the original SMI with a set of additional questions specifically representative of the eating disorder population. Psychometric testing included Confirmatory Factor Analysis (CFA) and internal consistency (Cronbach's a). Multivariate Analyses of Covariance (MANCOVA) was also run to test statistical differences between the EDE-Q subscales on the SMI-ED modes, while controlling for possible confounding variables. Results: Factorial analysis confirmed an acceptable 16-related-factors solution for the SMI-ED, thus providing preliminary evidence for the adequate validity of the new measure based on internal structure. Concurrent validity was also established through moderate to high correlations on the modes most relevant to eating disorders with EDE-Q subscales. This study represents the first step in creating a psychometrically sound instrument for measuring schema modes in eating disorders, and provides greater insight into the relevant schema modes within this population. Conclusion: This research represents an important preliminary step toward understanding and labeling the schema mode model for this clinical group. Findings from the psychometric evaluation of SMI-ED suggest that this is a useful tool which may further assist in the measurement and conceptualization of schema modes in this population.
Lingua originaleEnglish
pagine (da-a)600-616
Numero di pagine17
RivistaFrontiers in Psychology
Stato di pubblicazionePubblicato - 2018


  • Assessment
  • Eating behaviors
  • Eating disorders
  • Factorial structure
  • Modes
  • Psychology (all)
  • Psychometric properties
  • Schema therapy


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