The Hungry Donkey Task

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Screen shot of PEBL's Hungry Donkey Test

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[edit] About

A version of the "Iowa Gambling task", targeted to non-verbal children. You choose doors, which provide a donkey with gains or losses of apples. 4 doors are provided, and the participant must choose doors. Two doors are net positive, two are net negative.

Location: donkey/donkey.pbl in the PEBL TestBattery

[edit] Notes

In this test, a keypress (cvbn) opens the door, and it remains open until the key is un-pressed. The software waits for all keys to be unpressed, which includes the numlock, capslock, etc. So, if the experiment 'freezes' with a door open, make sure capslock and numlock are off.

[edit] Options

None

[edit] Data Output

Data are stored in donkey-<gsubnum>.txt. Columns are: subnum, trial, response, reward, penalty, net, total, time, rt

[edit] References

Crone, E. A., & van der Molen, M. W. (2004). Developmental changes in real life decision making: Performance on a gambling task previously shown to depend on the ventomedial prefrontal cortex. Developmental Neuropsychology, 25(3), 250-279.

[edit] See Also

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