influence over fellow group members. This effect has been well-studied offline. Here, we use
a novel method of assessing prototypicality in naturally occurring data to test whether this
effect can be replicated in online communities. In Study 1a (N= 53,049 Reddit users), we
train a linguistic measure of prototypicality for two social groups: libertarians and
entrepreneurs. We then validate this measure further to ensure it is not driven by …