[NOT] Necessarily by using the Scientific Method, But ongoing {Testing] of Some Sorts might ''ANSWER'' The Psychology of a “Like”...

Interesting, Sometimes to SEE WHAT THE WORD is on Certain Topics...

CHANGING TIMES OVER THE YEARS TO BE [TAKEN] INTO CONSIDERATION...

Quick Overviews... Might just HELP {Spark} a few More IDEAS!

The Psychology of a “Like”...

And A few Other misc. related Opinions...
http://hubze.com/2011/12/facebook-fr...ogy-of-a-like/
http://ken_ashford.typepad.com/blog/...-like-sht.html
http://www.psychologytoday.com/blog/...ng-you-happier
http://www.psychologytoday.com/blog/...y-social-media
http://blog.thoughtpick.com/2009/10/...opularity.html
http://www.fastcompany.com/1747448/h...-liking-brands
http://www.bluevolcanomedia.com/2012...nd-commenting/

Phil