This chapter explores the Harvard study of adult development, the longest in-depth study of human development over the lifespan. It discusses the methodology of longitudinal studies, the commitment required, and the funding challenges. The chapter also highlights the study's focus on relationships and the importance of positive psychology.
What makes us happy? Researchers at Harvard have been trying to solve that riddle for 85 years. Now, they think they’ve found the answer. Marc Schulz, associate director of the Harvard Study of Adult Development, joins to tell us more.