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Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

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Leiter-3 generalizability in Scandinavia.

Leif Svensson¹, Brian M Syzdek², Gale H Roid

¹Pediatrics, Skaraborg Hospital Skövde, Skövde, Sweden.

Scandinavian Journal of Psychology

|December 27, 2019

Summary

The Leiter-3 cognitive assessment shows higher scores in Scandinavian students compared to American students. However, controlling for confounding factors minimized these differences, indicating cultural or environmental influences beyond standard test norms.

Keywords:

Non-verbal psychological assessment leiter-3 translation mixed model analysis psychological assessment adaptation psychological assessment validity scandinavian psychological assessment

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Area of Science:

Psychology
Educational Assessment
Cross-Cultural Psychology

Background:

The Leiter International Performance Scale, 3rd Edition (Leiter-3) is a nonverbal cognitive assessment.
Adaptation of the Leiter-3 for Scandinavian populations necessitates evaluating the generalizability of US-based normative data.
Understanding cross-cultural cognitive assessment is crucial for accurate evaluation.

Purpose of the Study:

To assess the generalizability of US-based Leiter-3 normative scores to a Scandinavian student population.
To compare Leiter-3 performance between Scandinavian and US standardization samples.
To investigate the effectiveness of creating Scandinavian-specific norms.

Main Methods:

A mixed-methods analysis was employed, comparing Leiter-3 scores from Scandinavian students with the US standardization sample.
Confounding variables influencing cognitive performance were controlled across different age groups.
Scandinavian-population-based norms were constructed using existing standardization data.

Main Results:

Scandinavian test-takers generally scored higher than American test-takers on the Leiter-3.
Controlling for confounding variables significantly minimized performance differences between the groups.
The creation of Scandinavian-based scores did not effectively reduce performance gaps.

Conclusions:

While raw scores may differ, controlling for key factors reduces performance disparities between Scandinavian and US populations on the Leiter-3.
Performance differences may stem from factors not typically accounted for in standardized test construction.
Further research and adaptation of the Leiter-3 may be needed for optimal cross-cultural application.