狗的颜色偏好：一项复制研究

Free-ranging dogs (Canis familiaris) in India have been shown to prefer approaching yellow bowls before blue and grey ones (Roy et al. (2025). Animal Cognition, 28(1), 1–9). However, it is not clear if this preference for the color yellow is specific to free-ranging dogs in India or whether it generalizes to other dog populations. We conducted a replication of the Roy et al. study to assess whether pet dogs in the United States show similar preferences by measuring whether they approached yellow, blue, or grey bowls first. We conducted two experiments and found that pet dogs younger than seven