Happiness, they say, is infectious. Perhaps that is why the most popular course ever to be taught at Yale University—this semester enrolling 1,200 students, or a quarter of the undergraduate student body—is one titled “Psychology
NEW HAVEN — On Jan. 12, a few days after registration opened at Yale for Psyc 157, Psychology and the Good Life, roughly 300 people had signed up. Within three days, the figure had more
Psychological science sheds light on happiness, from a personal to an economic level.