In the above example, we can see a simple sociogram of a family’s dynamic. Symbols are used to signify the relationship they share with each other. A sociogram is a diagram that shows how people in a group interact. It's a visual picture of each person's social connections and interests — useful information for executives. The sociogram is a technique developed by psychotherapists Jacob L. Moreno and Helen Hall Jennings as part of the social science discipline of sociometry, a quantitative method for measuring social connections. Moreno coined the term "sociogram."