How do we really get happier? In a new review in the journal Nature Human Behavior, researchers Elizabeth Dunn and Dunigan Folk found that many common strategies for increasing our happiness may not be supported by strong evidence. In today's Short Wave episode, Dunn tells co-host Aaron Scott about changes in the way scientists are conducting research, and how these changes led her team to re-examine previous work in the field of psychology. Want to hear Dunn read the paper? Check it out here. Questions? Email us at shortwave@npr.org.