High profile study on attitude change concerning gay marriage - and a retraction

• Article in Science 12 December 2014;346(6215):1366-1369, "When contact changes minds: An experiment on transmission of support for gay equality", Michael J. LaCour and Donald P. Green
   
• Editorial expression of concern
   
• Irregularities in LaCour (2014), David Broockman, Joshua Kalla, Peter Aronow. May 19, 2015 (detailed discussion)
   
• Advance registration of the study in egap: experiments in governance and politics
   
• This American Life blog: More strange details about that apparently fabricated study May 20, 2015 (blog entry)
   
• This American Life blog: Canvassers study in Episode #555 has been retracted May 20, 2015 (blog entry)
   
• This American Life: 555: The Incredible Rarity of Changing Your Mind Apr 24, 2015 (The study about people changing their minds about gay marriage - covered in the Prologue and Act One of this episode - has asked the journal Science to retract the study because of apparently falsified data.) (program and transcript)