Father-son team says positive gains can be made in 'psychological wealth' [del.icio.us]

Diener also referred to a recent poll conducted by the Gallup Organization that surveyed more than 136,000 people in 132 countries from 2005 to 2006. The poll looked at several economic factors, such as income and the wealth of the respondents' countries, in connection with each person's psychological needs, such as respect, happiness, personal life evaluation and support from family and friends.