Mean difference scores (±95% confidence intervals) between observed and predicted log indifference delay (ID) for the bundle-size 3 and 9 conditions (based on BS1 values) in all participants, including the n = 30 who failed one or more quality control questions.

The left panel depicts both order groups combined, the middle panel depicts the ascending order group, and the right panel depicts the descending order group. The horizontal gray band reflects the equivalence interval, defined as zero plus or minus 0.1 standard deviations of difference scores.

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