AA << results suggest that a victim's plight is perceived as less severe when others share it, and this bias is common to both third-party judges and victims. >>
Konis D, Haran U, et al. A Sorrow Shared Is a Sorrow Halved: Moral Judgments of Harm to Single versus Multiple Victims. Front Psychol. 2016 Aug 2;7:1142. doi: 10.3389/fpsyg.2016.01142. eCollection 2016.