In recent years, an increasing number of nationally representative surveys in the social sciences and economics have implemented the Big Five model of personality. While many personality inventories were originally developed in the context of self-administered questionnaires, they are often used...

In this study, we examine how refugees in the Middle East stay connected through various communication services. Our findings are based on survey data collected in Za'atari Syrian refugee camp in Jordan. First, we find that social media such as WhatsApp and Facebook are used more frequently...

Consider the case in which we have data from repeated surveys covering several geographic areas, and our goal is to characterize these areas on a latent trait that underlies multiple indicators. This characterization occurs, for example, in surveys of information and communication technologies...