The article is a good example of why effect size estimates are much more informative than are p values. Put confidence intervals about the effect size estimates and it becomes clear that the experimental manipulations had effects so tiny that they might as well be nil.
http://www.pnas.org/content/111/24/8788.full.pdf Cheers, Karl L. Wuensch -----Original Message----- From: Christopher Green [mailto:[email protected]] Sent: Saturday, June 28, 2014 9:19 AM To: Teaching in the Psychological Sciences (TIPS) Subject: [tips] Facebook tinkered with users' feeds for a massive psychology experiment * Newswire * The A.V. Club Facebook just rendered either IRBs or all of academic psychology utterly obsolete. http://www.avclub.com/article/facebook-tinkered-users-feeds-massive-psychology-e-206324 Chris ....... Christopher D Green Department of Psychology York University Toronto, ON M3J 1P3 [email protected] http://www.yorku.ca/christo --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13060.c78b93d4d09ef6235e9d494b3534420e&n=T&l=tips&o=37311 or send a blank email to leave-37311-13060.c78b93d4d09ef6235e9d494b35344...@fsulist.frostburg.edu --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=37459 or send a blank email to leave-37459-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
