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. 2013 May 29;4:220. doi: 10.3389/fpsyg.2013.00220

Figure 5.

Figure 5

Average number of cards selected in blocks in Stage 3. In Stage 3, bad deck B is no longer preferred nearly as much as good deck C. The learning curves for the good and bad decks significantly diverge in Stage 3. Normal decision makers slowly come to favor decks C and D with positive EV and avoid decks A and B with negative EV.