This panel on concepts and theory concluded the virtual Conference on Prejudice and Stigma, convened online May 28, 2021, to foster dialog between different areas of social science with the aim of improving the state of research related to inequality. Michael Gaddis of UCLA discussed what we know about signaling race and ethnicity in surveys and field experiments. René D. Flores of the University of Chicago explained his approach to identifying key questions and causal variables when trying to understand the social construction of beliefs and attitudes. Betsy Levy Paluck of Princeton University outlined the evidence of what approaches to prejudice reduction work. Peter Blair of the Harvard Graduate School of Education shared insights from his work on labor market discrimination and residential segregation.

The conference was presented by the Human Capital and Economic Opportunity Global Working Group (HCEO) and the Committee on Quantitative Methods in the Social, Behavioral, and Health Sciences at the University of Chicago.