Joffrey's wife asked him to go to the store and buy milk, bacon, apples, juice, butter, and cereal. joffrey did not write down the items, and ended up only remembering to buy milk and bacon at the store. the fact that joffrey only remembered milk and bacon demonstrates the effect.

"serial position effect"

Explanation:

The primacy effect is a part of the well-known phenomenon named "serial position effect" which happens when you are asked to remember memory data.

In general, the serial position theory mean that for a few elements at the top of the list and for a few elements at a end of the list, remembering a list of products is simpler. The remembrance of product in the middle of given list is usually poor