“…While we did find that our intervention reduced sound levels in the shelter building and dogs spent less time barking, we did not directly explore which components of the intervention produced the observed results. Certainly, our results align with those from prior studies (Protopopova & Wynne, 2015;Payne & Assemi, 2017;Pengilly, 2020;Zurlinden et al, 2022) in which food was used to decrease barking, but it is also possible that habituation could have played a role in our observed results. Dogs have been shown to habituate to a novel noise within 1-6 trials (Martin et al, 1976).…”