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Dogs have a reputation for empathy toward their owners, which is also supported by some research (e.g., Carballo et al., 2020; Sanford, Burt, Meyers-Manor, 2018). Many dog owners anecdotally report that dogs comfort them by making visual and/or physical contact when they cry or help them when they are sick. These behaviours provide a good way to assess the capacity for empathy and its physiological correlates in dogs. This study is a replication and extension of Custance and Mayer (2012). We examined whether using laughing as an alt