The researchers used a five-point scale,asking people, "do you feel happy in general?"there were five answers provided: yes, most of the time, sometimes,rarely,or no.they found that people could expect to go up a full point on the scale if they spent about a third of the bonus on others, dunn said. She calls this "prosocial" spending.she continued with the example of tim and dan: they both answered the question that they were happy "sometimes " before receiving the bonus . If dan spent a third of his bonus " prosocially " and tim spent none in this way, the researchers would expect that after spending their bonuses,dan would be happy "most of the time ."this is exactly what happened