Marcus is taking a test in his psychology course, and he comes across a question he knows he should know the answer to, but he cannot think of it. He makes a random guess, and two hours later, suddenly remembers the right answer. This situation is an example of which of memory’s basic tasks?

Retrieval: The term retrieval is one of the main processes in the human memory system, along with encoding and storage. The retrieval process of memory is defined as the re-accessing of a particular piece of information or events of the past that have already been encoded and stored in the memory of a person. Retrieval is also known as recall or remember.

Example: A person recalls the memory of his childhood friends leads to the retrieval process.

In the question above, the given situation is an example of retrieval memory.