Martina is an animal trainer at sea world. to teach a new dolphin to jump through a hoop high above the water, martina first reinforces the dolphin for approaching the hoop while it is under the water. then, she reinforces the dolphin for swimming through the hoop under water. gradually raising the hoop, martina progressively reinforces each small step toward the goal behavior. martina is using the process of to train the dolphin.

After school, several students skateboard at the nearby park. your best friend, erwin, is a good skateboarder and happens to fall when attempting a fancy trick. after falling, erwin gets back up and starts repeating the trick over and over again. how would a cognitive psychologist interpret erwin getting back up and repeating the trick many times? erwin has seen other people fall and knows they get back up, so he does the same thing and models their repetitive behavior. erwin is motivated to learn the trick to perfection and knows that practice makes perfect. erwin has repressed desires and, through introspection, he knows that he will only get better if he keeps trying until he skateboards perfectly