Journal of Personality and Social Psychology The Pitfall of Experimenting on the Web: How Unattended Selective Attrition Leads to Surprising (Yet False) Research Conclusions Haotian Zhou and Ayelet Fishbach Online First Publication, June 13, 2016. http://dx.doi.org/10.1037/pspa0000056 CITATION Zhou, H., & Fishbach, A. (2016, June 13). The Pitfall of Experimenting on the Web: How Unattended Selective Attrition Leads to Surprising (Yet False) Research Conclusions. Journal of Personality and Social Psychology. Advance online publication. http://dx.doi.org/10.1037/ pspa0000056