Experimental evidence of massive-scale （大规模的实验证据）.pdf

Editorial Expression of Concern and Correction PSYCHOLOGICAL AND COGNITIVE SCIENCES PSYCHOLOGICAL AND COGNITIVE SCIENCES PNAS is publishing an Editorial Expression of Concern re- Correction for “Experimental evidence of massive-scale emotional garding the following article: “Experimental evidence of massive- contagion through social networks,” by Adam D. I. Kramer, scale emotional contagion through social networks,” by Adam D. I. Jamie E. Guillory, and Jeffrey T. Hancock, which appeared in Kramer, Jamie E. Guillory, and Jeffrey T. Hancock, which issue 24, June 17, 2014, of Proc Natl Acad Sci USA (111:8788– appeared in issue 24, June 17, 2014, of Proc Natl Acad Sci 8790; first published June 2, 2014; 10.1073/pnas.1320040111). USA (111:8788–8790; first published June 2, 2014; 10.1073/ The authors note that, “At the time of the study, the middle pnas.1320040111). This paper represents an important and emerg- author, Jamie E. Guillory, was a graduate student at Cornell ing area of social science research that needs to be approached University under the tutelage of senior author Jeffrey T. Hancock, with sensitivity and with vigilance regarding personal privacy issues. also of Cornell University (Guillory is now a postdoctoral fellow Questions have been raised about the principles of informed at Center for Tobacco Control Research and Education, University consent and opportunity to opt out in connection with the re- of California, San Francisco, CA 94143).” The author and af- search in this paper. The authors noted in their paper, “[The filiation lines have been updated to reflect the above changes work] was consistent with Facebook’s Data Use Policy, to