Suppose one meets two new people at a party. One has trouble remembering the name of the first person one met because the name of the second person keeps coming to mind instead. This is an example of:

Retroactive interference

Explanation:

Interference: In psychology, the term interference is referred to as the phenomenon in which a particular piece of information interferes in a way to recall.

Retroactive interference: The term retroactive interference is defined as the phenomenon in which a recent information interferes when an individual tries to recall the previous or older information. It happens when an individual finds difficulty when trying to recall older information due to the presence of newer information.

In the question above, the given statement is an example of retroactive interference.