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Owner-directed behaviours during the relationship test across dogs showing the different levels of copying accuracy of the relevant action (REL) during the overimitation test: (A) Gaze to the owner; (B) Gaze alternation; (C) Affiliative behaviours; (D) Greeting; (E) Synchronization. Median and interquartile range (IQR; represented by the box), 25th percentile + 1.5 IQR, and 75th − 1.5 IQR (represented by the lower and the upper whiskers, respectively). Dots represent outliers.
