Use the principles behind Pavlov's conditioning experiments in order to play this game and get the dog to drool when he hears a sound. Then learn more about Ivan Pavlov and his research.
courtesy of netTrekker
Use the principles behind Pavlov's conditioning experiments in order to play this game and get the dog to drool when he hears a sound. Then learn more about Ivan Pavlov and his research.
courtesy of netTrekker
