The volunteers who found it easier to associate their partner with bad things, and had greater difficulty associating their partner with good things, were more likely to separate over the next year.
The volunteers were informed that the ALT key was faulty, and that if it was pressed the computer would crash and all the experimental data would be lost.
But the researchers disproved that by showing that blindfolded volunteers walked in circles but without any preference for going clockwise or anti-clockwise.
The head of London's Metropolitan Police has called for all Specials -- volunteer police officers -- to report for duty, as the capital's law enforcement resources are stretched thin.
One study found that volunteer work enhanced all six aspects of well-being: happiness, life satisfaction, self-esteem, sense of control over life, physical health, and depression.
Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their second, taking more than twice as long to fall asleep and sleeping less overall.