Charles Ferster

Charles Ferster was a psychologist who researched how people's behaviors can be changed through rewards and punishments. He believed that if someone was rewarded for doing something or punished for not doing it, they would be more likely to do it again. For example, if a child is given a treat every time they clean their room, they will be more likely to clean it again in the future. His research helped to develop methods for behavior modification, which are still used today to help people change their behaviors.