Answer:
the individual's peripheral feedback influenced the type of emotion felt.
Step-by-step explanation:
Stanley Schachter was an American social psychologist born on April 15, 1922 in Flushing, New, York. He is mainly known for his work and development of the two factor theory of emotion. In this situation he would say that the individual's peripheral feedback influenced the type of emotion felt. In other words the way the information was received caused her to feel angry from the email.