Jennifer Cheavens, associate professor of psychology at The Ohio State University College of the Arts and Sciences joins David Staley this week on Voices of Excellence podcast to discuss positive psychology, prosocial behavior, and how hope is defined as a research topic. Listen to this week's Voices of Excellence on Soundcloud and iTunes, or an excerpt airing tonight, September 25, at 8 p.m. on WCBE, 90.5 FM.