Fig 1.
Box plots displaying median small to large symbol rankings (y-axis) ordered by the median simple to complex ranking (x-axis) for the Gibson symbols (top) and Sunúz symbols (bottom).
Regular outliers are denoted by open circles and represent 1.5 times the interquartile range. ‘Extreme’ outliers are denoted by stars and represent 3 times the interquartile range. The specific numbers next to outliers correspond to individual participants.
Table 1.
Spearman’s rank order correlations between different measures of complexity.
Fig 2.
Group average Spearman’s rank order correlations (y-axis) for both the spatially ordered group (filled blue circle) and the randomly ordered group (open red circle), as a function of training session (x-axis).
The error bars represent the 95% CI. The dashed lines are for correlations of 0 (no correlation) and 1.0 (perfect correlation). Two stars is significance at the p < .01 level, and one star is significance at the p < .05 level.
Fig 3.
Spatial complexity group split into fastest (filled circle), middle (open diamond), and slowest (filled square) learning terciles as a function of training session (x-axis) by mean Spearman rank order correlation (y-axis).
The blue bar represents the bootstrap 95% CI for the spatially ordered group. The dashed lines are for correlations of 0 (no correlation) and 1.0 (perfect correlation).
Fig 4.
Random complexity group split into fastest (filled circle), middle (open diamond), and slowest (filled square) learning terciles as a function of training session (x-axis) by mean Spearman rank order correlation (y-axis).
The red bar represents the bootstrap 95% CI for the spatially ordered group. The dashed lines are for correlations of 0 (no correlation) and 1.0 (perfect correlation).