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Clicker training is the process of using a clicker to mark a desired behavior in animal training. It was originally used in training animals for which traditional methods of obedience training weren't useful, such as dolphins in wild-animal shows or carrier pigeons used for specific military purposes.One of the challenges in training an animal is in letting it know when it has done the behavior that the trainer is attempting to reinforce . As a simple example, when teaching a dog to shake hands, the first step would be to encourage the dog simply to lift one paw. At the instant that the dog raises the paw, the trainer must let the dog know that it has done the correct thing. However, the traditional "good dog!" takes so long to say that the dog might already have lowered the paw again before realizing that it is being praised. In addition, people's voices, pronunciation, tone, loudness, and emphasis, and how long it takes to say the words can change, even at different minutes of the same training session, so that the animal has to learn to interpret through all of the nuances to understand what the trainer is attempting to convey.
A clicker solves these problems. It is a very short sound that can be made and completed at the instant the behavior occurs. The sound is always exactly the same--same loudness, same tone, same length.
The first step in clicker training is to teach the animal that the clicker sound means that they will get a reward. To do this, the trainer does what is called loading the clicker: Over a few sessions, the trainer clicks the clicker and immediately thereafter gives the animal a reward (such as a treat), clicks again and rewards again, and so on for about 20 repetitions each session. Dogs, for example, learn the association very quickly.
After that, the trainer can use the clicker to begin marking desired behaviors; each time that the animal performs the behavior, the trainer clicks and, quickly thereafter, rewards. The primary key to clicker training is the trainer's timing; clicking slightly too early or too late can quickly establish an incorrect association in the animal's mind.
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2 See also
Dog training and behavior
