DAVID GREENE, HOST:
As far as New Year's resolutions go, saving more money is often a popular one. Actually being able to do that - well, we know how that story usually ends. But researchers may have come up with a winning method. NPR's social science correspondent Shankar Vedantam, we are all ears.
SHANKAR VEDANTAM, BYLINE: Carolann Broekhuizen is a retired life insurance claims examiner. She lives in Waterford, Michigan. Whenever she has a little extra money, there are some things she likes to do.