According to this video, what was the adolescent concerned about?

Which of the following statements is true about theories of personality?

A. They provide only a part of the picture of human personality. B. They support the expert's viewpoint. C. Theories are predicted from one hypothesis or another. D. They are directly tested using empirical methods.

Kitchell’s son is throwing an absolute fit at the pool. He screams and stamps his feet. Kitchell ignores him, all the other parents ignore him, and so do his friends. Eventually his tantrum stops. Kitchell has used which operant conditioning strategy?

a. ?positive reinforcement b. ?negative reinforcement c. ?nonreinforcement d. ?shaping