Iowa Gambling Task Scoring
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Decision-making impairments in Parkinson’s disease (PD) have frequently been measured using the Iowa Gambling Task (IGT), though results have been inconsistent. At present, task performance has primarily been evaluated based on the total IGT score, and there is a need for further analysis of the strategy of older individuals with PD. The Iowa Gambling Task is an incredibly simple test. The participant is presented with four virtual decks of cards if playing on a computer, or four real decks if doing the test in the physical domain.
| CÍGLER, Hynek, Martin ŠMÍRA a Vojtěch VIKTORIN. Iowa Gambling Task: Comparison of the Classical Scoring and Cognitive Modeling Approach and its Convergent Validity with Other Clinical Tasks. In 14th European Conference on Psychological Assessment. 2017. |
| Další formáty: BibTeXLaTeXRIS |
| Základní údaje | |
|---|---|
| Originální název | Iowa Gambling Task: Comparison of the Classical Scoring and Cognitive Modeling Approach and its Convergent Validity with Other Clinical Tasks |
| Název anglicky | Iowa Gambling Task: Comparison of the Classical Scoring and Cognitive Modeling Approach and its Convergent Validity with Other Clinical Tasks |
| Autoři | CÍGLER, Hynek, Martin ŠMÍRA a Vojtěch VIKTORIN. |
| Vydání | 14th European Conference on Psychological Assessment, 2017. |
| Další údaje | |
|---|---|
| Originální jazyk | čeština |
| Typ výsledku | Prezentace na konferencích |
| Obor | 50100 5.1 Psychology and cognitive sciences |
| Stát vydavatele | Česká republika |
| Utajení | není předmětem státního či obchodního tajemství |
| WWW | URL |
| Organizační jednotka | Fakulta sociálních studií |
| Klíčová slova anglicky | Iowa Gambling Task; Cognitive modeling |
| Příznaky | Mezinárodní význam, Recenzováno |
| Změnil | Změnil: Mgr. Martin Šmíra, učo 251591. Změněno: 3. 12. 2017 17:04. |
| Anotace |
|---|
| The aim of this study is to compare Bayesian cognitive modeling of the response style in the Iowa gambling task (IGT), specifically PLV-Delta model (Ahn et al., 2008), and the classical approaches to the IGT scoring in a non-clinical population. We used an exploratory design to analyze convergent validity between different types of the IGT scoring and other clinical tasks in a sample aged 18–30 years. Test battery included Iowa gambling task, SST (stop signal task), go/no-go task, N-back, and DDT (delay discounting task). All these tests were computer-administered. Sample size ranged between 100 and 200 for each pair-wise comparison. Results showed convergent validity between some of the parameters of the cognitive model and the classical IGT test scores; however, the cognitive model parameters show a better incremental validity compared to the traditional scoring techniques. We also estimated reliability of the IGT using several approaches. These results are discussed bearing in mind the exploratory nature of the study. Using point estimate of the parameters from the Bayesian model could limit results of this study. In addition, our reliability estimates are slightly biased due to non-normality of the distribution of all parameters. This study can provide us with a better understanding of the cognitive processes that underlie decision-making in the IGT in a non-clinical population. Moreover, we revealed some advantages of the Bayesian cognitive modeling approach over the classical the IGT scoring. These findings have the potential to improve applicability of the Iowa gambling task in clinical practice. |
| Anotace anglicky |
|---|
| The aim of this study is to compare Bayesian cognitive modeling of the response style in the Iowa gambling task (IGT), specifically PLV-Delta model (Ahn et al., 2008), and the classical approaches to the IGT scoring in a non-clinical population. We used an exploratory design to analyze convergent validity between different types of the IGT scoring and other clinical tasks in a sample aged 18–30 years. Test battery included Iowa gambling task, SST (stop signal task), go/no-go task, N-back, and DDT (delay discounting task). All these tests were computer-administered. Sample size ranged between 100 and 200 for each pair-wise comparison. Results showed convergent validity between some of the parameters of the cognitive model and the classical IGT test scores; however, the cognitive model parameters show a better incremental validity compared to the traditional scoring techniques. We also estimated reliability of the IGT using several approaches. These results are discussed bearing in mind the exploratory nature of the study. Using point estimate of the parameters from the Bayesian model could limit results of this study. In addition, our reliability estimates are slightly biased due to non-normality of the distribution of all parameters. This study can provide us with a better understanding of the cognitive processes that underlie decision-making in the IGT in a non-clinical population. Moreover, we revealed some advantages of the Bayesian cognitive modeling approach over the classical the IGT scoring. These findings have the potential to improve applicability of the Iowa gambling task in clinical practice. |
| Návaznosti | |
|---|---|
| GA15-20970S, projekt VaV | Název: Od rozhodnosti po autoritářství: Potřeba kognitivního uzavření (Akronym: ORAKUZ) |
| Investor: Grantová agentura ČR, Standardní projekty | |
| Typ | Název | Vložil/a | Vloženo | ||||
|---|---|---|---|---|---|---|---|
| ECPA_v09.pdf | Cígler, H. | 11. 7. 2017 | |||||
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ECPA_v09.pdf
ECPA_v09.txt
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Iowa Gambling Task Scoring Tool
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