Data on almost 57,000 people from 65 countries suggests that the Satisfaction With Life Scale (SWLS)—a widely used research tool—generally holds up well when applied across diverse groups of ...

The Valentine’s Scale helps couples assess their relationship satisfaction. It is scientifically tested and reliable.

The researchers measured people's happiness using a widely recognised scientific survey called the Satisfaction With Life Scale. In the test above, the scale has been converted into a percentage.

Children aged 15 were asked to rank their satisfaction with life on a scale of 0 to 10. In Japan, close to 40 percent of the respondents gave responses of 5 or lower, while the figure was about 10 ...