Social interactions are the everyday give and take conversations that occur depending on situations and purposes. During a typical preschool day, there are countless opportunities for children to interact, communicate and play with one another. A social interaction may include saying “Salam”...

We model the spread of news as a social learning game on a network. Agents can either endorse or oppose a claim made in a piece of news, which itself may be either true or false. Agents base their decision on a private signal and their neighbors' past actions. Given these inputs, agents follow...