Answer:
primacy
Step-by-step explanation:
Primacy effect: In psychology, the term "primacy effect" is described as a person's propensity to remember or recall a piece of information that is being presented at the starting of a specific list of information in a better way instead of the information that is being present at the latter of that particular list including end or middle. Primacy effect refers to one of the different cognitive biases that are related to the memory storage system as well as an individual's capability to store information.
In the question above, the given statement signifies that Joffrey is demonstrating the primacy effect.