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The structure-based expert model of the mental disorders--a validation study.
Samy Egli1, Roland Streule, Damian Läge
1Applied Cognitive Psychology, Department of Psychology, University of Zurich, Zurich, Switzerland.
Psychopathology
|July 3, 2008
Summary
Psychotherapy students
Area of Science:
- Psychology
- Cognitive Science
- Psychotherapy Training
Background:
- An expert model of ICD-10 mental disorders was previously developed.
- This study validates the expert model by assessing knowledge acquisition in psychotherapy students.
Purpose of the Study:
- To validate a structure-based expert model of mental disorders.
- To examine the emergence of knowledge structures in psychotherapy trainees.
Main Methods:
- Psychotherapy students rated mental disorder similarity.
- Nonmetric multidimensional scaling (NMDS) created cognitive maps.
- Trainee maps were compared to an expert map across training years.
Main Results:
- Student knowledge maps converged towards the expert model with increased training.
- Discrepancies between trainee and expert maps significantly decreased over time.
Conclusions:
- The expert model's validity is supported by emerging knowledge structures in students.
- Findings suggest a general principle of knowledge structuring for mental disorders.
- Results are preliminary due to small sample sizes in later training years.
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