Is a two-factor theory stating that for an emotion to occur, there must be

1) physiological arousal and
2) a cognitive interpretation or explanation of the arousal, allowing it to be labeled as a specific emotion.

The answer is the Schachter-Singer theory.

Explanation:

This theory of emotion states that emotions occur because of a physiological stimulus followed by an interpretation of said stimulus.

For example, increased heart rate and sweating may be signs of either excitement or fear. So, after we experience these responses, we must analyse the context and identify how we feel.

more than 1 person for sure

using the scientific method.