<h1>&nbsp;</h1> <div class="toc-about clearfix"> <h1><a href="http://many.at/links2tabs" class="header">Psychology - психологія 心理学 psychologie 心理學 ψυχολογία psychologia मनोविज्ञान pszichológia உளவியலாளர்கள் psicologia మానసిక నిపుణులు 심리학 psykologi tâm lý học psikoloji психология psicólogos علم النفس psicología פסיכולוגיה</a></h1><p>References 1 - 3 for Facebook offers explanation for controversial News Feed psychology experiment</p> </div><!-- class="about clearfix" --><h1>&nbsp;</h1> <div id="mysitesnoframes" class="sites_content"><ul> <li><a rel="nofollow" href="http://www.theverge.com/2014/6/28/5852652/facebook-altered-689000-users-news-feeds-for-a-psychology-experiment" ><img src="/wp-content/images/icons/32/globe2.png" width="32" height="32" /><strong>[1] altering the content of some users&#039; News Feeds</strong>theverge.com</a></li> <li><a rel="nofollow" href="https://www.facebook.com/akramer/posts/10152987150867796" target="_blank" ><img src="/wp-content/images/icons/32/facebook.png" width="32" height="32" /><strong>[2] posted an explanation</strong>facebook.com</a></li> <li><a rel="nofollow" href="http://www.theguardian.com/technology/2014/jun/29/facebook-users-emotions-news-feeds" ><img src="/wp-content/images/icons/32/globe3.png" width="32" height="32" /><strong>[3] provided to The Guardian</strong>theguardian.com</a></li> </ul></div> Your browser does not handle frames, which are required to view the sites in tabs. Please upgrade to a more modern browser.<br /><br />