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Developmental Neuropsychology Volume 45, 2020 - Issue 3
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Research Article

Symbol Digit Modalities Test-Oral Version: An Analysis of Culture Influence on a Processing Speed Test in Argentina, Mexico, and the USA

María Bárbara Eizaguirrea Research Institute of Psychology, School of Psychology, Buenos Aires University, Buenos Aires, ArgentinaCorrespondence[email protected]
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,
Sandra Ines Vanottia Research Institute of Psychology, School of Psychology, Buenos Aires University, Buenos Aires, Argentina;b MS Clinic, Buenos Aires Institute of Neurosciences (INEBA), Buenos Aires, ArgentinaView further author information
,
Adriana Aguayo Arelisc Health Sciences, University of Guadalajara, Guadalajara, MexicoView further author information
,
Brenda Rabago Barajasc Health Sciences, University of Guadalajara, Guadalajara, MexicoView further author information
,
Evangelina Valeria Coresd Argentinean Science and Technology Research Council (CONICET), General Hospital of Acute Diseases Eva Perón - CONICETView further author information
,
Miguel Angel Macíasc Health Sciences, University of Guadalajara, Guadalajara, MexicoView further author information
,
Ralph H. B. Benedicte Department of Neurology, School of Medicine, Department of Neurology, University at Buffalo, Buffalo, NY, USAView further author information
&
Fernando Cáceresb MS Clinic, Buenos Aires Institute of Neurosciences (INEBA), Buenos Aires, ArgentinaView further author information
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Pages 129-138 | Received 27 Sep 2019, Accepted 26 Feb 2020, Published online: 12 Mar 2020
 
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ABSTRACT

The Symbol Digit Modalities Test (SDMT) is an information processing speed test. The aim of this study was to compare the SDMT across three samples: the USA, Mexico, and Argentina. The hypothesis is that performance will vary based on native language and cultural differences between these countries. The SDMT was administered to 129 healthy volunteers. Participants from the USA performed better than participants from Argentina and Mexico (p < .01), and no differences were observed between the latter groups (p = .15). Processing speed differs between the studied populations of Latin America and Anglo-America. Possible interpretations of this result are presented.

Disclosure statement

The authors report no conflict of interest.

Additional information

Funding

This work received no funding.

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