Kim Goodwin was asked to help some colleagues tell if they were being helpful or condescending. So she created a simple chart – which went unexpectedly viral.

But as of yet, no general theory of social network structure exists that can explain the diversity of social networks observed in nature, and serve as a null model for detecting species and ...

Abstract We study the properties of a three-step approach to estimating the parameters of a latent structure model for categorical data and propose a simple correction for a common source of bias.