Dwight’s research interests include topics ranging from positive psychology and well-being science to aging and lifespan developmental psychology. Broadly defined, his work investigates the impact of flow experiences (a psychological state of intense concentration and enjoyment), meaningfulness, and prosocial acts on psychological and physical wellbeing, using diverse methods such as experience sampling studies (using smartphone app and wearables or traditional paper-and-pencil), secondary data analyses, and lab-based psychophysiological experiments. His recent work also examines age stereotypes, solitude, and ideal affect (affective states that people want to achieve).