His research interests include knowledge, science, religion, culture, stratification, measurement, and quantitative methods. Dr. Roos’ primary research program examines truth claims in contested areas of knowledge in the United States, such as human evolution, and spillover effects to related but uncontested areas of knowledge. He is currently developing a new instrument to measure uncontested science knowledge in the United States, and is developing general tools to aid in scale creation and validation. He holds a PhD in Sociology from the University of North Carolina at Chapel Hill.