In recent years, the interest in including children and adolescents in research on violence and abuse has increased. According to the UN Convention on the Rights of the Child, children have the right to be heard in issues that concern them and their lives. However, this puts great demands on researchers and the projects they design. This article discusses challenges in shedding light on children’s experiences and including them as informants. The starting point for discussion is three research projects aimed, in different ways, at measuring or exploring the dynamics of children exposed to violence. Using these studies as a backdrop, three main questions are asked. What con-cepts are used to describe children’s experiences and why is the choice of concepts important? Do our surveys measure what we think we measure, and do our interviews capture what we want to capture if our aim is to explore and understand children’s lifeworld? What are some of the central ethical dilemmas researchers face when conducting research on children and violence? Finally, the importance and implications of these methodological and empirical challenges are discussed.