Before coming to his final exam, Howie drank four cans of Surge (which contains a lot of caffeine). As the final was being passed out, Howie became aware that his hands were shaking and his heart was beating fast. According to theory, whether Howie attributed his shaking hands and beating heart to ingesting a lot of caffeine or to being concerned about the final would affect his emotional experience.
Group of answer choices

James’s peripheral

Cannon’s central

the Schachter-Singer

the Shenker-Turner