O Iowa Gambling Task.

Uma revisão crítica

Autores

  • Graça Areias Unidade de Desabituação de Coimbra do Institituto da Droga e da Toxicodependência, I.P.
  • Rui Paixão Faculdade de Psicologia e Ciências da Educação da Universidade de Coimbra
  • Ana Paula Couceiro Faculdade de Psicologia e Ciências da Educação da Universidade de Coimbra

Palavras-chave:

Psicologia; Metodologia, instrumentação e equipamento em psicologia, Iowa Gambling Task, Tomada de decisão, Feedback, Recompensas, Punições

Resumo

O Iowa Gambling Task (IGT) é uma tarefa amplamente utilizada na avaliação da capacidade de tomada de decisão. Neste artigo, procede-se à revisão da literatura, comparando-se as versões do IGT, as diferentes medidas de avaliação do desempenho e as alterações introduzidas nos procedimentos, nomeadamente no feedback, na aleatorização espacial dos baralhos, no número de ensaios e de cartas por baralho, nas instruções, no reforço/remuneração e na manipulação das recompensas e punições. Desta análise, conclui-se que as diversas versões da tarefa, as alterações nos procedimentos de aplicação e as diferentes medidas utilizadas para a avaliar causam impacto no desempenho, prejudicando a comparação entre estudos e as generalizações dos resultados. Finalmente, apresentam-se sugestões para uma maior adequação de procedimentos.

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2013-07-04

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Areias, G., Paixão, R., & Couceiro, A. P. (2013). O Iowa Gambling Task.: Uma revisão crítica. Psicologia: Teoria E Pesquisa, 29(2), 201–210. Recuperado de https://periodicos.unb.br/index.php/revistaptp/article/view/17608

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