A "Dolphin Trainer for a Day" program at the Texas State Aquarium offers the "mystical connection that seems to exist between dolphins and humans"--or just raw herring?
The dolphins at this aquarium are trained with operant conditioning, "and it works like a charm....negative reinforcement doesn't work....In the case of disobedience, the best response is just to ignore and then refocus."
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MySA.com: Travel & City Guide