For 10 points,
 name these psychological states including anger and happiness.
Carney Landis studied this psychological phenomenon in an experiment about facial expressions in
 which two-thirds of his participants agreed to decapitate rats. In one experiment about these phenomena,
 students were told they were being given a fictional eye-sight improving drug called Superoxin. The
 Cannon-Bard model replaced the earlier James-Lange theory that argued they occur in response to an
 outside stimulus. Jerome Singer and Stanley Schachter created the two-factor theory of them, while Paul
 Ekman's study of the Fore tribesmen helped him identify six common ones such as disgust. For 10 points,
 name these psychological states including anger and happiness.
Carney Landis studied this psychological phenomenon in an experiment about facial expressions in
 which two-thirds of his participants agreed to decapitate rats.
emotions