When meeting someone at zero acquaintance, we make assumptions about each other that encompass emotional states, personality traits, and even cognitive abilities. Evidence suggests individuals can accurately detect psychopathic personality traits in strangers based on short video clips or photographs of faces. We present an in-depth examination of…

The historiography of child guidance has focused primarily on the United States, where it first developed before travelling across the English-speaking world. The rapid expansion of child guidance in the interwar years was enabled by private philanthropy, which provided fellowships to foreign professionals to study in the United States. This…