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. Author manuscript; available in PMC: 2023 Jan 10.
Published in final edited form as: Child Dev. 2022 May 21;93(5):1601–1615. doi: 10.1111/cdev.13791

Figure 2. Participant learning performance across trials.

Figure 2.

(A) Participants across age groups learned to select the two optimal card decks across trials (p < .001), though older participants demonstrated a stronger effect of trial on optimal choice performance relative to younger participants (p < .001). The lines show the average proportion of optimal choices within each trial group for each age group. Error bars show the standard error across participant means within each age group. (B) The effect of block number varied across age (p = .005), and we further observed an age × block type × block number interaction effect (p = .030). Younger participants tended to perform worse in the second block, whereas older participants performed better in the second versus first block of the task. These effects were magnified for the risk bad block — younger participants who experienced the risk bad block after the risk good block performed worse relative to those who experienced the risk bad block first, whereas older participants who experienced the risk bad block after the risk good block performed better than those who experienced it first. The points on the plot represent age-group means, and the error bars show the standard error across participant means within each age group.