Developmental psychology is a field of psychology that examines how people transform and mature over time (Lally & Valentine-French, 2019). It focuses on the physical, cognitive, and social changes that occur throughout the lifespan, from infancy to old age. Developmental psychology aims to understand how these changes occur and how they affect individuals as they move through different stages of life. Behavioral theory is a psychological approach that emphasizes the role of environmental factors in shaping behavior. It was developed in the early 20th century by psychologists such as John B. Watson and B. F. Skinner. They believed that behavior is learned through the environment and that it can be modified through positive and negative reinforcement. …show more content…
F. Skinner developed the concept of operant conditioning, which involves using rewards and punishments to shape behavior. Skinner believed that the consequences of that behavior shaped behavior. He believed that positive reinforcement, such as rewards, could increase the likelihood of a behavior being repeated. In contrast, negative reinforcement, such as punishments, could decrease the possibility of a behavior being repeated. The main points of the behavioral theory are that behavior is learned through the environment and that it can be modified through positive and negative reinforcement. This theory emphasizes the importance of observable behavior rather than internal mental processes. It suggests that the environment shapes behavior and that individuals can learn new behaviors through exposure to different stimuli. Behavioral theory has been applied in a variety of settings, including education, healthcare, and business, to help individuals change their behavior and achieve their goals. As an illustration, educators may utilize positive reinforcements, such as incentives, to motivate students to engage in desired behaviors, such as completing homework or participating in class discussions. In healthcare, behavioral therapy may be used to help individuals overcome phobias or addictions by gradually exposing them to the feared or addictive stimulus and reinforcing positive behaviors. In business, behavioral theory may be used to motivate employees to engage in desired