Iheb Marouani

Work16

Reversal Bandit Modeling

PrototypeResearch

Rescorla-Wagner vs. Bayesian belief updating fit to human behavior; model comparison via BIC.

Reversal learning: choice probability around a switchSample data
Participants48
Reversals6 per block
FitHierarchical
Model2α + β
% choosing prior besttrial, relative to reversal
  • Observed
  • Model

Trial 0 is the hidden contingency switch.

PrototypeAn interface sketch of this system, not a screenshot. Every figure, name and record in it is invented.
Built with
Python, NumPy, SciPy