Research

View my CV here.

Publications

Hang, D., Reinhart, E., Birnbaum, H. J., Dittmann, A. G., & Carey, R. M. (2026). The roots of solidarity: Social class identity is associated with support for reducing inequality. Group Processes & Intergroup Relations.https://doi.org/10.1177/13684302261489219

Truong, M., Birnbaum, H. J., Dittmann, A. G., Stephens, N. M., Townsend, S. S. M., Emery, L. F., & Carey, R. M. Professors' "feminine" behavioral cues in the classroom close gender gaps in participation. ​(2026). Journal of Experimental Psychology: General. https://doi.org/10.1037/xge0001879

Birnbaum, H. J., McClanahan, K. J., & Unzueta, M. (2024). Silence on injustices speaks volumes: When and how silence impacts perceptions of managers. Journal of Applied Psychology. https://doi.org/10.1037/apl0001240

Waldfogel, H. B., Dittmann, A. G. & Birnbaum, H. J. (2024). A sociocultural approach to voting: Construing voting as a duty to others predicts political interest and engaement. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2215051121

Birnbaum, H. J., Wilson, D., & Waytz, A. (2024). Advantaged groups misperceive how allyship will be received. Organizational Behavior and Human Decision Processes. 10.1016/j.obhdp.2024.104309

Birnbaum, H. J., Dittmann, A. G., Stephens, N.M., Carey, R. M., Reinhart, E., & Markus, H. R. (2022). Personal harm from the Covid-19 pandemic predicts advocacy for equality. Journal of Experimental Social Psychology. 10.1016/j.jesp.2022.104400

Birnbaum, H. J., Stephens, M. M., Townsend, S. S. M., & Hamedani, M. G. (2020). A diversity ideology intervention: Multiculturalism reduces the racial achievement gap. Social Psychological and Personality Science. https://doi.org/10.1177/194855062093822

Gaither, S., Apfelbaum, E.P., Birnbaum, H. J., Babbitt, L., & Sommers, S. R. (2017). Mere membership in racially diverse groups reduces conformity. Social Psychology and Personality Science. https://doi.org/10.1177/1948550617708013