Why Your Group Chat Always Has One Person Who Never Replies

8 people see "can anyone grab ice?" and nobody answers. A 1968 experiment in a small New York room explains why, and why the friend who never replies probably isn't rude. Plus the one-word fix that keeps showing up in the research. Chapters 0:00 The room with the headphones 0:37 The group chat puzzle 0:56 The 1968 intercom experiment 2:18 Diffusion of responsibility 3:07 The bystander effect, oversold? 4:16 It happens online too 5:11 The friend who never replies 5:32 What to do with this Sources (including the ones that complicate the story) Darley & Latané, 1968, "Bystander intervention in emergencies: Diffusion of responsibility", Journal of Personality and Social Psychology: https://doi.org/10.1037/h0025589 Manning, Levine & Collins, 2007, "The Kitty Genovese murder and the social psychology of helping: The parable of the 38 witnesses", American Psychologist: https://doi.org/10.1037/0003-066X.62.... Fischer et al., 2011, "The bystander-effect: A meta-analytic review", Psychological Bulletin: https://doi.org/10.1037/a0023304 Philpot et al., 2020, "Would I be helped? Cross-national CCTV footage shows that intervention is the norm in public conflicts", American Psychologist: https://doi.org/10.1037/amp0000469 Markey, 2000, "Bystander intervention in computer-mediated communication", Computers in Human Behavior: https://doi.org/10.1016/S0747-5632(99... Blair, Thompson & Wuensch, 2005, "Electronic Helping Behavior: The Virtual Presence of Others Makes a Difference", Basic and Applied Social Psychology: https://doi.org/10.1207/s15324834basp... Doodle Psych is for education and curiosity, not professional advice. #psychology #groupchat #bystandereffect