Reliability and Validity of the Short Schema Mode Inventory (SMI)

Background: This study presents a new questionnaire to assess schema modes: the Schema Mode Inventory (SMI). Method: First, the construction of the short SMI (118 items) was described. Second, the psychometric properties of this short SMI were assessed. More specifically, its factor structure, inter...

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Bibliographic Details
Published in:Behavioural and cognitive psychotherapy 2010-07, Vol.38 (4), p.437-458
Main Authors: Lobbestael, Jill, van Vreeswijk, Michiel, Spinhoven, Philip, Schouten, Erik, Arntz, Arnoud
Format: Article
Language:English
Subjects:
Adaptation, Psychological
Adolescent
Adult
Aged
Behavior
Behavior therapy. Cognitive therapy
Biological and medical sciences
Cross-Cultural Comparison
Emotions
Feasibility Studies
Female
Humans
Interviews
Male
Medical sciences
Middle Aged
Parenting - psychology
Patients
Personality Development
Personality Disorders - diagnosis
Personality Disorders - psychology
Personality Disorders - therapy
Personality Inventory - statistics & numerical data
Psychology. Psychoanalysis. Psychiatry
psychometrics
Psychometrics - statistics & numerical data
Psychometrics. Diagnostic aid systems
Psychopathology. Psychiatry
Psychotherapy - methods
Quantitative psychology
Reference Values
reliability
Reproducibility of Results
Schema modes
schema-focused therapy
Techniques and methods
Translating
Translations
Treatments
Validity
Young Adult
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Summary:Background: This study presents a new questionnaire to assess schema modes: the Schema Mode Inventory (SMI). Method: First, the construction of the short SMI (118 items) was described. Second, the psychometric properties of this short SMI were assessed. More specifically, its factor structure, internal reliability, inter-correlations between the subscales, test-retest reliability and monotonically increase of the modes were tested. This was done in a sample of N = 863 non-patients, Axis I and Axis II patients. Results: Results indicated a 14-factor structure of the short SMI, acceptable internal consistencies of the 14 subscales (Cronbach α's from .79 to .96), adequate test-retest reliability and moderate construct validity. Certain modes were predicted by a combination of the severity of Axis I and II disorders, while other modes were mainly predicted by Axis II pathology. Conclusions: The psychometric results indicate that the short SMI is a valuable measure that can be of use for mode assessment in SFT.
ISSN:1352-4658
1469-1833
DOI:10.1017/S1352465810000226