In emotion research, which term refers to the intensity or energy of an emotion?

• A. Arousal
• B. Valence
• C. Emotion
• D. Behavior Feedback

Answer: (A)

The main idea being tested is how we describe the strength or energy of an emotion. Arousal captures how activated or energized you feel—high arousal means you’re alert, excited, or tense, while low arousal means you’re calm, relaxed, or drowsy. This dimension focuses on intensity, and it can pair with any emotional quality, whether positive or negative.

Valence, by contrast, describes whether an emotion feels pleasant or unpleasant, not how strong it is. Emotion is the broad experience itself, not the specific level of activation. Behavior feedback refers to the idea that one’s own actions can influence emotional experience, which is about how expression or behavior can shape feelings rather than measuring the emotion’s energy level.

So the term that best fits the description of intensity or energy of an emotion is arousal.