Entries by Madeline Martinez

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VRP Data Scientists Present Language Access Research in Sacramento

C&P New Press Release Below:  FOR IMMEDIATE RELEASE  Contact: Alberto Lammers; alammers@luskin.ucla.edu Jessica Cobian and Diego Casillas, UCLA PhD students present important research on the efficacy of bilingual voting materials at Sacramento briefing. SACRAMENTO (June 23, 2025) — This year marks the 50th anniversary of Section 203 of the Voting Rights Act, a landmark federal provision […]

Voter’s Choice Act: Understanding Language Access in Voter’s Choice Act Counties for the 2022 General Election

The California Secretary of State’s Office commissioned these research reports from the UCLA Voting Rights Project (VRP) to assess the effectiveness of the Voter’s Choice Act (VCA). These reports include data analysis on how voters that speak a primary language other than English cast their ballots during the 2022 General Election utilizing VoteCal data and […]

UCLA VRP Analysis of August 2025 Texas Redistricting Map

Authors: Michael Rios & Emma Kim During the current debate over Texas districts some analysts and legislators have commented that Black and especially Hispanic voters are now shifting Republican and this was a basis for drawing new safe-Republican districts with sizable minority populations. However, federal law prohibits purposefully drawing large populations of Black and Hispanic […]

Partisanship and Racial Bias in Signature Matching: Explaining the Ballot Rejection Gap in California

Author: Michael Herndon In Partisanship and Racial Bias in Signature Matching: Explaining the Ballot Rejection Gap in California, Michael Herndon showcases his research findings on the ballot rejection gap in California. In the current vote-by-mail (VBM) process, millions of people’s identities are verified/adjudicated by comparing copies of their signature as a measure of fraud-prevention. This process […]

The Importance of Counting All Immigrants for Apportionment and Redistricting

Authors: Tye Rush, Samuel Hall, Matthew Barreto How are non-citizens counted and accounted for in representation? Section 2 of the Fourteenth Amendment requires that all whole persons residing in a state are to be counted for apportionment and districting. Courts have interpreted Section 2’s requirement to include women (before the Nineteenth Amendment), non-citizens, and people […]

Catalysts of Insurrection: How White Racial Antipathy Influenced Beliefs of Voter Fraud and Support for the January 6th Insurrection

On January 6, 2021, the belief that voter fraud was to blame for Trump’s 2020 loss led thousands of people to storm the Capitol during election certification, aiming to occupy it by force to stop this process. While only thousands participated, millions more voiced their support for the insurrection, and this begs the question: What explains perceptions of […]

A Novel Method For Showing Racially Polarized Voting: Bayesian Improved Surname Geocoding

In Thornburg v. Gingles, the Supreme Court provided the elemental test for vote dilution claims under § 2 of the Voting Rights Act. In part, § 2 requires Plaintiffs to prove that voting patterns within the challenged jurisdiction are polarized by race. Because most states do not track the race of voters, social scientists developed statistical […]

Voter’s Choice Act: Understanding Language Access in Voter’s Choice Act Counties for the 2022 Primary Election 

The California Secretary of State’s Office commissioned this research report from the UCLA Voting Rights Project (VRP) to assess the effectiveness of the Voter’s Choice Act (VCA). These reports include data analysis on how voters that speak a primary language other than English cast their ballots during the 2022 Primary Election utilizing VoteCal data and […]

Voter’s Choice Act Report for the 2020 Primary and General Elections

This report, commissioned by the California Secretary of State’s office and conducted by the UCLA Voting Rights Project, provides a comprehensive overview of language access and voter participation for language minorities in the fifteen counties that implemented the Voter’s Choice Act (VCA) during the 2020 Primary and General Elections. Appendix B1 focuses on the 2020 […]