Facebook conducted massive psychology experiment on users

If you have a Facebook account, you could have been part of a massive psychological experiment conducted by the social media site.

Facebook says it manipulated the news feeds among nearly 700,000 users, according to Daily Mail, as part of a new study. The goal was to determine how the posts that users see affect their moods and their own posts.

A study by the PNAS Journal says seeing more negative posts caused positive responses, but also caused more negative posts by the users.

According to the study, “These results indicate that emotions expressed by others on Facebook influence our own emotions, constituting experimental evidence for massive-scale contagion via social networks.”

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