Michael recounts to his sister a memory of a track meet that he won. As he describes the details, his sister says, "That was my track meet!" They talk to their mother who verifies that on that occasion it was Michael's sister who won the track meet. Which of the sins of memory would explain Michael's mistake?

The sins fo memory that would explain Michael's mistake is: missatribution.

Explanation:

Missatribution is one of the memory sins that has to do with a false atribution to the memory that a person is having. This means, a person appropiates himself of herself of a memory, when it acctually wasn't something happening to him or her.