Which of the following is an example of retroactive interference?

The concept of retroactive interference refers to a phenomenon in memory where newly acquired information disrupts the recall of previously learned information. In this context, the example given, which involves forgetting old phone numbers after learning new ones, clearly illustrates this concept. When you learn new phone numbers, the information about these new numbers interferes with your ability to remember the old numbers you previously knew.

This process occurs because the new information can overwrite or make it more difficult to access the old information, demonstrating how retroactive interference can negatively impact memory retention. The other choices do not illustrate retroactive interference; they either deal with accurate recall of information or do not connect to the concept of new information disrupting old information.