What motivates our behavior, according to skinner's theory? is it internally or externally motivated?

According skinner's theory the thing that motivates our behavior, emphasizes that the behavior is motivated by your surroundings. He believes that the motivation is external, which comes from outside one the person who wants to learn. To lessen or strengthen a behavior he suggest using reinforcement, In yolandas case, you receive positive remarks from her family and teachers gave her reason to success academically.