Which of the following conceptually assesses the extent to which a brand has delivered a value in exchange for the attachment fans have awarded it?

A) API.
B) Switching cost analysis.
C) Message internalization.
D) Dunbar's Number.
E) Return on emotion.

Return On Emotion

An assessment of the emotional engagement and reactions elicited from target audiences by marketing campaigns or consumer interactions.

Dunbar's Number

A theoretical cognitive limit to the number of people with whom one can maintain stable social relationships, proposed to be around 150.

API

Application Programming Interface, a set of rules, routines, and protocols that allows software applications to communicate with each other.