Your Questions About Dog Clickers For Training

Susan asks…Does clicker training a dog require you first learn to train a chicken, pig or cat?I'm reading over Karen Pryor's website where she advocates people first train another species using a clicker before they attempt it on their dog. (link attached). I'm wondering if people who use clicker training can tell me if they found it beneficial and relevant to first train a chicken or a cat, or any other species of animal - before they trained their

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