“…On the one hand, several lines of research predict that high numbers of dead or needy people are generally discouraging, and that people will be the most motivated to help when there is a single identified individual in need and when it is possible to help that individual (Bartels, ; Kogut & Ritov, ; Mata, ; Slovic, ; Small, Loewenstein, & Slovic, ; Västfjäll, Slovic, & Mayorga, ; Västfjäll, Slovic, Mayorga, & Peters, ). On the other hand, other lines of research suggest that including statistical information and numbers in charity appeals sometimes can increase prosocial behavior (Bachke, Alfnes, & Wik, ; Cryder, Loewenstein, & Scheines, ; Erlandsson, Västfjäll, Sundfelt, & Slovic, ; Kleber, Dickert, Peters, & Florack, ; Lesner & Rasmussen, ).…”