Bradley's behavior can be described as an intrinsic motivation. It is where an individual shows a behavior where in he or she is motivated in doing it because of its rewards. It is because an intrinsic motivation is a way of motivating an individual in doing things because the person feels that what they are doing has brought them the feeling of being rewarded. It is like how Bradley feels of working and studying hard for he thinks that it is a gift of learning and he enjoys it.