Paradigms

Two-Step Task (Markov Decision Task)

Two-stage choice with probabilistic state transitions and drifting reward probabilities. Dissociates model-based from model-free reinforcement learning via stay/switch patterns after rare vs. common transitions.

• Learning
• Decision Making

Indexed implementations 2

Metadata only — each row links to the authors' own page. A date in the last column is the last time an automated check confirmed the link loads; it is not a review of the task.

Related paradigms

• Probabilistic Learning (Two-Armed Bandit)
• Risk-Sensitive Learning Task
• Iowa Gambling Task (IGT)