Asymmetric Discounting in Intertemporal Choice
Theoretical and practical relevance:
This experiment shows that thought listing can reduce excessive impatience which plays a large role in health, environmental, and financial decisions. The applications are so vast that it would be difficult to enumerate.
The research here was mentioned in the New York Times Magazine special on the research lab. http://www.nytimes.com/2009/04/19/magazine/19Science-t.html