Iowa Gambling Task

You start with $2,000. Draw 100 cards, one at a time, from any of the four decks (A–D). Each deck has its own pattern of rewards and losses — discover them through play. After each draw you will see what you won and what you lost. Keys 1–4 select decks A–D.

The Iowa Gambling Task models choices with hidden long-term consequences. Advantageous deck preference emerges as you experience wins and losses — a research task for decision-making, not a personality score.

FAQ
What does the IGT measure?
Decision-making under ambiguity — learning which options are profitable over many trials, not just the last draw.
Is this a medical test?
This is a self-assessment game, not a medical diagnosis. Talk to a clinician if you have clinical concerns.
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Current balance $2,000
Card 1 of 100

Results

—Final balance
—Picks from C + D
—Picks from A + B
—C + D vs A + B (pick counts)

Higher preference for decks C and D over A and B usually reflects better long-run outcomes in this task.

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