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Data from 617 Healthy Participants Performing the Iowa Gambling Task: A “Many Labs” Collaboration

  • Steingroever H
  • Fridberg D
  • Horstmann A
  • et al.
Journal of Open Psychology Data (2015) 3
DOI: 10.5334/jopd.ak
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Abstract

This data pool (N = 617) comes from 10 independent studies assessing performance of healthy participants (i.e., no known neurological impairments) on the Iowa gambling task (IGT)—a task measuring decision making under uncertainty in an experimental context. Participants completed a computerized version of the IGT consisting of 95 – 150 trials. The data consist of the choices of each participant on each trial, and the resulting rewards and losses. The data are stored as .rdata, .csv, and .txt files, and can be reused to (1) analyze IGT performance of healthy participants; (2) create a “super control group”; or (3) facilitate model-comparison efforts. A correction article relating to the authors of this publication can be found here: http://dx.doi.org/10.5334/jopd.am

Figures

  • Table 1: Overview of the studies included in the data pool. See text for a description of the different payoff schemes.
  • Fig. 1: Screenshot of a subset of the choice_95 matrix. Each row contains the sequence of choices from a specific participant. For example, the entry of the third row and fifth column corresponds to the choice that the third participant made on the fifth trial (i.e., “2” – deck B). To determine who collected the data of this particular participant, one needs to refer to the third row of index_95 (cf. Fig. 2).
  • Fig. 2: Screenshot of a subset of the index_95 matrix. Each row can be used to identify who collected the data of a specific participant. The screenshot shows that the data of subjects 1 – 10 who completed a 95-trial IGT were collected by Fridberg et al. [3]. The data of these subjects are saved in the corresponding rows of the choice_95, reward_95, and loss_95 matrices.

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APA

Steingroever, H., Fridberg, D. J., Horstmann, A., Kjome, K. L., Kumari, V., Lane, S. D., … Wagenmakers, E.-J. (2015). Data from 617 Healthy Participants Performing the Iowa Gambling Task: A “Many Labs” Collaboration. Journal of Open Psychology Data, 3. https://doi.org/10.5334/jopd.ak

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