There is plenty of advice on how to gain influence you don’t have. Here’s how to harness the influence that’s already yours.
What distinguishes a random collection of people on a subway from a meaningful psychological group? Research on inter-brain coupling suggests that when people collectively focus and coordinate action, shared identity springs to life.
Samuel Salzer and Aline Holzwarth speak to Emily Oster about her new book, The Family Firm, which provides data-driven advice for parenting children during their elementary school years.