A preliminary examination of the contextual interference effect on trained trick retention in domestic dogs

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Abstract

This study sought to enhance current dog training practices by determining whether a finding from human motor skill learning research, the contextual interference (CI) effect, could be replicated in a trick-training paradigm with companion dogs. In humans, research shows that practicing skills in random order, as compared with blocked order, improves learning of those skills. To test this question in dogs, we randomly allocated 17 dogs to blocked training (low CI) or random training (high CI). The dogs performed three behaviors of varying difficulty. After training, we conducted a retention test in which half of the dogs in each group performed the tasks in blocked order and the other half in random order. We scored each trick, measured duration, and measured whether dogs required one or two tries to perform a behavior. We found no significant differences between dogs who practiced three tricks in random or in blocked order during training and during a retention test. This study is the first to apply the CI effect to dog trick training. Although no evidence of the CI effect was found, the current research provides a preliminary framework for future studies with potential implications for increasing retention of trained skills.

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Messina, M. G., Ziv, G., & Byosiere, S. E. (2023). A preliminary examination of the contextual interference effect on trained trick retention in domestic dogs. Journal of the Experimental Analysis of Behavior, 120(1), 36–49. https://doi.org/10.1002/jeab.858

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