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TASK
choice task between risky and non-risky options
a choice made between two or more options when one of those options has some probability >0 of producing either a reinforcing or an aversive consequence



Definition contributed by MLewis Wednesday morning.



MLewis I changed the capitalization of the entry for stylistic purposes.
Wednesday morning

Revision 3

Definition contributed by CTorgerson about one year ago:
a choice made between two or more options when one of those options has some probability >0 of producing either a reinforcing or an aversive consequence

Revision 2

Definition contributed by TSchonberg about one year ago:
on each trial, participants choose between a risky and safe option. The risky option is a lottery that offers a 50–50 chance of different outcomes (£10, £90 or £40, £60) and the safe option offers the participants’ own certainty equivalent for the corresponding risky lottery, as determined in a previous phase of the experiment. as in task described above, on each trial, participants choose between a risky and safe option. This time, possible outcomes of the risky option include (£10, £50), (£15, £45), (£40, £80) and (£30, £90), and the safe options offer a range of semi-random values.

Revision 1

Definition contributed by TSchonberg about one year ago:
on each trial, participants choose between a risky and safe option. The risky option is a lottery that offers a 50–50 chance of different outcomes (£10, £90 or £40, £60) and the safe option offers the participants’ own certainty equivalent for the corresponding risky lottery, as determined in a previous phase of the experiment.

View Term Event Log
Neural correlates of value, risk, and risk aversion contributing to decision making under risk.
Christopoulos GI, Tobler PN, Bossaerts P, Dolan RJ, Schultz W
The Journal of neuroscience : the official journal of the Society for Neuroscience (J Neurosci)
2009 Oct 7
Open Abstract | Citation Profile
Risk-dependent reward value signal in human prefrontal cortex.
Tobler PN, Christopoulos GI, O'Doherty JP, Dolan RJ, Schultz W
Proceedings of the National Academy of Sciences of the United States of America (Proc Natl Acad Sci U S A)
2009 Apr 28
Open Abstract | Citation Profile



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