Happiness, that is. And, also weight gain. Apparently behaviors are as contagious as bacteria and viruses.
Here are the highlights:
If a subject’s friend was happy that subject was 15% more likely to be happy
This happiness effect was shown to last up to 3 levels of separation away, so your friend's friend's friend could impact your personal level of happiness, even if you have never met.
Also, a friend who becomes happy while living within one mile of the individual increases the probability of that individual’s happiness by 25%. A mutual friend in the same scenario raises that figure to 65%.
Read the whole study yourself, here.
Thursday, December 3, 2009
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