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Boxplot showing number of sessions to reach criterion for dogs that received either test diet or control diet (A) (n = 68, p = 0.47). Scatter plot showing the relationship between age in months and number of sessions to reach criterion (B) (n = 68, p = 0.05). Scatter plot showing the relationship between lifelong training score and number of sessions to reach criterion (C) (n = 68, p = 0.54).
