Impairment must be present in order for a personality disorder to be diagnosed

Emily is studying hyperactive children. Her observations have led her to predict that if

she runs an experiment in which some hyperactive children are given a sugar-sweetened drink while others are given a drink sweetened with a sugar substitute, those receiving the sugar-sweetened drink will exhibit greater disruptions in their behavior. Her prediction is an example of a _______. a. theory c. response set b. hypothesis d. scientifically based conjecture

The crew of the starship becomes addicted to a type of video game because the pleasure center in their brains is stimulated each time they scored. They eventually play the game nearly constantly and experience a pleasurable emotion without having to interpret a physiological reaction or think about the situational cause of their emotion. This is most supportive of which theory of emotion??

a. ?optimal arousal b. ?Cannon's central c. ?James's peripheral d. ?Schachter-Singer