Dr Christian Jarrett is deputy editor of Psyche and an author.

Most people believe that they are their personalities. That it's an immutable, unchanging, central part of them as a person. But psychologists and neuroscientists have been studying the science of personality change for many years and have uncovered strategies to nudge your personality in the direction you want.

Expect to learn why most personality tests are basically useless, how genetically heritable our personalities are, just how much of a change we can make from where we start off, how to stop being shy or introverted, the best strategies to become more ambitious and conscientious, the most effective ways to maintain personality change and much more...