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A Swedish validation of the Berlin Numeracy Test
Marcus Lindskog1, Neda Kerimi, Anders Winman
1Uppsala University, Uppsala, Sweden.
Scandinavian Journal of Psychology
|January 13, 2015
Summary
This study validates the Swedish Berlin Numeracy Test (BNT), confirming its reliability for assessing numerical abilities in both students and the general Swedish population. The validated BNT is crucial for understanding how numeracy impacts decision-making.
Area of Science:
- Psychology
- Decision Science
Background:
- Numeracy, or numerical ability, is increasingly recognized as vital for judgment and decision-making.
- Valid and reliable measures are essential to quantify the impact of numeracy.
Purpose of the Study:
- To validate a Swedish version of the Berlin Numeracy Test (BNT).
- To assess the psychometric properties and validity of the Swedish BNT in student and general population samples.
Main Methods:
- The Swedish BNT was administered to a student sample and a population-representative sample.
- Psychometric properties, convergent/discriminant validity, and predictive validity were evaluated.
Main Results:
- The Swedish BNT demonstrated sound psychometric properties in both samples.
- Satisfactory convergent and discriminant validity was found, with no significant relation to personality traits.
- Predictive validity showed differing patterns: higher numeracy predicted better performance in students, while lower numeracy predicted worse performance in the general population.
Conclusions:
- The Swedish BNT is a valid measure of numeracy for both Swedish students and the general population.
- The findings support the use of the Swedish BNT in research on judgment and decision-making.
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