Answer:
Social conformity
Step-by-step explanation:
Social conformity is when a person beliefs o acts in a certain way to fit in a group. This is when a person agrees with everyone else because he/she wants to be like the others to feel accepted. According to this, the term that describes why Catherine shortened her name is social conformity because despite that she likes her name, she decided to change it to make it similar to the names of her friends and like that, feel that she fits in.