https://www.sciencedaily.com/releases/2018/09/180906082024.htm

"Websites focus on telling users if their passwords are weak or strong, but they do nothing to help people remember passwords," said Janne Lindqvist, study co-author and assistant professor in the Department of Electrical and Computer Engineering in the School of Engineering.

"Our model could be used to predict the memorability of passwords, measure whether people remember them and prompt password system designers to provide incentives for people to log in regularly," Lindqvist said. "Logging in more often helps people remember passwords."