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Brazilian Portuguese version of the Iowa Gambling Task: transcultural adaptation and discriminant validity
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OBJECTIVE: The Iowa Gambling Task is a neuropsychological task developed in English, most widely used to assess decision-making. The aim of this work was to adapt the Iowa Gambling Task to Brazilian Portuguese, compare it with the original version and assess its validity. METHOD: We assessed 75 Brazilian adults divided into three groups: 1) 25 healthy volunteers holding the Proficiency Certificate in English tested using the English version of the Iowa Gambling Task; 2) 25 healthy volunteers who did not speak or read English tested using the Iowa Gambling Task-Portuguese; 3) 25 Attention Deficit Hyperactivity Disorder subjects tested with the Iowa Gambling Task-Portuguese. RESULTS: No difference between groups 1 and 2 was observed. Nonetheless, we found significant differences between Attention Deficit Hyperactivity Disorder subjects and the other 2 groups on blocks 3, 4, 5, and on net score. CONCLUSION: Our results are similar to those previously described in the literature concerning adults without neuropsychiatric diseases. Since those two versions were equivalent and Attention Deficit Hyperactivity Disorder subjects performed significantly worse than healthy volunteers we can conclude that the adaptation of the Iowa Gambling Task to Brazilian Portuguese is valid and can be used for research purposes in the Brazilian context.
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Eight studies used implicit gambling tasks, of which two (25%) provided clear evidence that adults with ADHD performed in a more risky fashion than NCs.
“Eight studies used implicit gambling tasks, of which two studies (2/8 = 25%) provided clear evidence that adults with ADHD performed in a more risky fashion than NCs [62], [63].”
From Risky behavior in gambling tasks in individuals with ADHD–a systematic literature review (2013) · cites this paper as [63]
Malloy-Diniz et al. examined two different samples of adults with ADHD and found that in comparison to NCs, adults with ADHD obtained a lower net score on the standard IGT (Cohen's d = 0.79 and 0.70).
“Specifically, Malloy-Diniz et al. [62], [63] examined two different samples of adults with ADHD and found that in comparison to NCs, adults with ADHD obtained a lower net score on the standard IGT (Cohen’s d respectively = 0.79 and 0.70).”
From Risky behavior in gambling tasks in individuals with ADHD–a systematic literature review (2013) · cites this paper as [63]
Of six studies investigating adults with ADHD on the IGT, two reported that adults with ADHD clearly performed in a more risky manner than NCs.
“Of the six studies investigating the performance of adults with ADHD on the IGT [59]–[64], two studies reported that adults with ADHD clearly performed in a more risky manner than the NCs [62], [63].”
From Risky behavior in gambling tasks in individuals with ADHD–a systematic literature review (2013) · cites this paper as [63]
Three studies found that individuals with ADHD-C had performed in a more risky fashion than the NCs.
“Furthermore, three studies found that individuals with ADHD-C had performed in a more risky fashion than the NCs [35], [47], [63] (3/10 = 30% of studies with positive findings).”
From Risky behavior in gambling tasks in individuals with ADHD–a systematic literature review (2013) · cites this paper as [63]
Group differences between ADHD participants and NCs were present in 2/10 (20%) of studies with positive findings in which participants were MPH-naïve.
“in which participants were MPH-naïve [62], [63] (2/10 = 20% of studies with positive findings)”
From Risky behavior in gambling tasks in individuals with ADHD–a systematic literature review (2013) · cites this paper as [63]
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Metadata
- Authors
- Malloy-Diniz, L. F., Leite, W. B., Moraes, P. H. P. D., Correa, H., Bechara, A., & Fuentes, D.
- Affiliations
- Universidade FUMEC, Brazil
- Learning Disorders and Hyperactivity, Brazil
- Universidade Fundação Mineira de Educação e Cultura (BR)
- Universidade Federal de Minas Gerais, Brazil
- University of Southern California (US)
- Universidade de São Paulo (BR)
- Venue
- Revista Brasileira de Psiquiatria
- Publisher
- EDITORA SCIENTIFIC
- Published
- 2008-04-28
- Volume
- 30
- Issue
- 2
- Pages
- 144-148
- ISSN
- 1516-4446 (ISSN-L)
- 1809-452X
- OpenAlex
- W2122025763
- Cited by
- 65
- References
- 13
- Citations by year
- 2026: 1 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 3 · 2016: 7 · 2015: 3 · 2014: 7 · 2013: 10 · 2012: 4
- FWCI
- 7.41
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by-nc
- Locations
- Brazilian Journal of Psychiatry (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (publishedVersion)
- Americanae (AECID Library) (submittedVersion, other-oa)
- Topics
- Social Sciences › Psychology › Clinical Psychology › Historical and Modern Theater Studies
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Social Sciences › Psychology › Applied Psychology › Psychological Testing and Assessment
- Keywords
- Iowa Gambling Task, Brazilian Portuguese adaptation, cross-cultural adaptation, decision-making, attention deficit hyperactivity disorder, discriminant validity, neuropsychological assessment
- MeSH terms
- Adult, Analysis of Variance, Attention Deficit Disorder with Hyperactivity, Brazil, Cognition Disorders, Cross-Cultural Comparison, Decision Making, Female, Gambling, Humans, Language, Male, Neuropsychological Tests, Task Performance and Analysis, Case-Control Studies
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