Dog clicker training is a way to reinforce any positive behavior that your dog exhibits.
When the dog hears the clicker noise, he gets a treat, and will definitely want to perform that behavior again.
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Clicker training is a form of Operant Conditioning where you use a sudden sound (the distinct sound of a clicker) instead of verbal cues (like “Good!” and “Yes!”) to promote positive behaviors.
Read more: Dog Clicker Training 101: How To Clicker Train Your Dog