A recent study shows gaining weight generally does not reduce happiness. A decade’s worth of data analyzed by a researcher in ...

Each one-unit increase in happiness (on a scale of 0-10) led to a 12% increase ... But companies also often struggle to measure happiness, and without that piece of information, it's impossible ...

Have you looked at the international rankings of the world's happiest countries lately? Measuring a country's subjective levels of happiness has become something of an international sport.

Happiness might seem to be a fuzzy concept, but surveys that ask people to report their life satisfaction on a numerical scale make it ... with the happiness measure. In general, material well ...