It’s been five years since the high profile shootings of several unarmed black teenagers and men launched the Black Lives Matter movement. Since then, police departments have been doing all kinds of things to respond to the deaths and protests. But do any of them work? To find out we speak with social psychologist Prof. Jennifer Eberhardt, psychologist Prof. Phillip Atiba Goff, public policy expert Dr. David Yokum, criminologists Dr. Lois James, and Dr. Stephen James.  Check out the full transcript transcript here: http://bit.ly/2D23jAR  Selected references:  Jennifer’s study on respectful language during traffic stops, and her book on implicit bias: http://bit.ly/2XGHobN  Phil’s study on bias and the Las Vegas policy changes: http://bit.ly/2O8Ndf3  David’s study on whether body cameras reduce police use of force: http://bit.ly/2pJj5gU  Credits: This episode was produced by Meryl Horn with help from Wendy Zukerman, along with Rose Rimler, Michelle Dang, Lexi Krupp, and Kaitlyn Sawrey. We’re edited by Caitlin Kenney and Blythe Terrell. Fact checking by Diane Kelly. Mix and sound design by Peter Leonard with help from Cedric Wilson. Music written by Peter Leonard, Benny Reid, Emma Munger, and Bobby Lord. A big thanks to Professor Lawrence Sherman, Dr. Joe Cesario, Dr. Sam Walker, Chuck Wexler, Dr. Peter Moskos, Dennis Flores, Hawk Newsome, Professor William Terrill, Dr. Arne Nieuwenhuys, Professor Franklin Zimring, Dr. Joan Vickers, and Dr. Justin Nix. Thanks to all police officers we spoke to- we really appreciate your help. And special thanks to Amber Davis, Chuma Ossé, Daniel Domke, Christina Djossa, the Zukerman family and Joseph Lavelle Wilson. Learn more about your ad choices. Visit podcastchoices.com/adchoices