Martin Naunov's discovery at Northwestern University challenges the optimism of the "rainbow wave": American voters are increasingly accepting of gay candidates, but only if they don't look or sound too gay.
The finding matters because it reveals a shift in how bias operates in electoral politics. After Pete Buttigieg's meteoric rise from South Bend mayor to presidential candidate to U.S. secretary of transportation between 2018 and 2022, many believed the nation had moved past electoral penalties for LGBTQ candidates. But Naunov's research, published in the Journal of Politics, shows the story is far more complex. Voters haven't abandoned prejudice—they've simply changed where it lands.
In two survey experiments involving nearly 2,600 participants, Naunov isolated something earlier political science studies had overlooked: the difference between sexuality and gender presentation. Participants evaluated hypothetical congressional primary candidates using headshots and short audio campaign messages. The candidates' profiles were identical except for two manipulated variables—whether they signaled being gay through partner cues like "husband" or "wife," and whether their facial features or vocal pitch had been subtly feminized using software.
The results divided starkly along party lines. Among Republican voters, being gay reduced a candidate's probability of support by roughly 22 percentage points. Among Democrats, being gay actually increased support slightly. But here's where the bias persists: across the political spectrum, voters penalized candidates who looked or sounded even slightly gender nonconforming. "On the left, the bias against gay candidates has moved from 'don't be gay' to 'don't look or sound gay,'" Naunov explained.
This distinction matters enormously. It means voters may reject anti-gay bias at the group level while still discriminating against gay candidates who visibly embody cultural markers of their identity. An immigrant job applicant with an accent, a Black defendant speaking African American Vernacular English, or a gay candidate with a lisp can face penalties even from people who consciously oppose discrimination against their entire group.
The study was the first in political science to examine what researchers call "within-group discrimination"—the way minority individuals who wear visible markers of their identity face penalties that others do not. To ensure the gender presentation manipulations were realistic, Naunov compared them against actual male-presenting gay candidates endorsed by the Victory Fund, the largest LGBTQ political PAC. The range matched.
"Bias often targets a substantial subset of the minority group who may face penalties even from people who reject anti-gay bias at the group level," Naunov said. This means the structural barriers facing LGBTQ candidates haven't simply dissolved with changing attitudes. They've become more subtle and perhaps more pervasive, extending beyond explicit homophobia to include pressure to conform to heteronormative standards of appearance and behavior.
The implications ripple outward. If candidates who appear gender nonconforming face electoral penalties even from self-identified allies, then representation in elected office will continue to skew toward those who can or choose to present in conventionally masculine or feminine ways. The rainbow wave may have expanded opportunities for gay candidates, but the study suggests those opportunities come with unspoken dress codes.