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Cognitive Testing Practices for Basic Military Training in the Nordic Countries: A Scoping Review
Emelie Wahlkrantz1, Jeanette Melin1
1Department of Leadership and Command & Control, Swedish Defence University, Karlstad, Sweden.
Scandinavian Journal of Psychology
|June 8, 2026
Summary
Nordic general mental ability (GMA) tests, used since the mid-20th century, require updated validation. Current psychometric data is limited, impacting the reliability and validity of research using this important cognitive assessment data.
Area of Science:
- Psychometrics
- Cognitive Psychology
- Military Psychology
Background:
- Nordic countries have utilized general mental ability (GMA) tests in military conscription since the mid-20th century.
- These tests historically served dual purposes: identifying individuals unfit for service and ranking cognitive abilities for military roles.
- Initially for men, these assessments are now administered to both genders, reflecting societal changes.
Purpose of the Study:
- To highlight the need for updated psychometric evaluations of Nordic general mental ability (GMA) tests.
- To address concerns regarding the current reliability and validity of these widely used cognitive assessments.
- To emphasize the importance of revalidation for ensuring the scientific credibility of GMA test data in research.
Main Methods:
- Review of historical development and administrative procedures of Nordic GMA tests.
- Analysis of current reporting on the psychometric properties (reliability and validity) of these tests.
- Examination of the implications of limited psychometric data for research findings.
Main Results:
- There is a notable lack of recent reporting on the psychometric properties of Nordic GMA tests.
- The current psychometric status raises questions about the reliability and validity of these assessments.
- Findings derived from these tests should be interpreted with caution due to outdated validation data.
Conclusions:
- Updated validation studies are crucial for Nordic general mental ability (GMA) tests.
- Revalidation will ensure the scientific integrity of GMA test data used in military and broader social/health research.
- Accurate interpretation of cognitive assessment data is essential for robust research outcomes, including studies on the Flynn effect.
