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The inventory for déjà vu experiences assessment. Development, utility, reliability, and validity
H N Sno1, H F Schalken, F de Jonghe
1University Department of Psychiatry, Academic Medical Centre, Amsterdam, The Netherlands.
The Journal of Nervous and Mental Disease
|January 1, 1994
Summary
The Inventory for Déjà vu Experiences Assessment (IDEA) is a new, user-friendly tool for studying déjà vu. It shows good reliability and validity for assessing these unique memory experiences.
Area of Science:
- Cognitive psychology
- Neuroscience
- Psychometrics
Background:
- Déjà vu experiences are common yet complex phenomena.
- Understanding the characteristics of déjà vu requires reliable assessment tools.
Purpose of the Study:
- To describe the development of the Inventory for Déjà vu Experiences Assessment (IDEA).
- To evaluate the utility, reliability, and validity of the IDEA.
- To provide a tool for studying quantitative and qualitative aspects of déjà vu.
Main Methods:
- Development of a 23-item self-administered questionnaire (IDEA).
- The IDEA includes a general section (9 questions) and a qualitative section (14 questions covering 48 topics).
- Assessment of reliability and validity of the instrument.
Main Results:
- The IDEA was found to be a user-friendly instrument.
- The questionnaire demonstrated satisfactory to good reliability.
- The IDEA exhibited satisfactory to good validity for assessing déjà vu.
Conclusions:
- The IDEA is a reliable and valid tool for the assessment of déjà vu experiences.
- This inventory facilitates the quantitative and qualitative study of déjà vu.
- The IDEA offers a practical instrument for researchers investigating memory and consciousness.