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Bunche Hall 3345
barretom@ucla.edu
909-489-2955


Matt A. Barreto ::

Matt A. Barreto

Professor of Political Science & Chicano Studies

Current Research Projects: Voting Rights

In Thornburg v. Gingles, 478 US 30 (1986) the Supreme Court interpreted Section 2 of the recently amended Voting Rights Act (1965), making analysis of racially polarized voting necessary to examine two of three elements related to minority vote dilution. In addition to geographic compactness, the court established minority political cohesiveness and white bloc voting as pre-conditions that can be determined through racial bloc voting analysis. In Gingles, the now familiar definition of racially polarized voting was framed as occurring when there is a “consistent relationship between race of a voter and the way in which the voter votes.” Put simply, racially polarized voting occurs when minority and non-minority voters, considered separately, would have elected different candidates to office. Related and implicit to this inquiry, is whether or not the minority group in question constitutes a “politically cohesive unit.” If minorities did not behave as a cohesive unit at the polls, evidence of racially polarized voting on the part of non-minorities would be difficult to find.

Research Articles and Reports related to polarized voting or the VRA

  • Crayton, Kareem, Matt Barreto, Luis Fraga, Jane Junn, Terry Smith, Janelle Wong. 2013. “Brief of Political Science and Law Professors as Amici Curiae in Support of Respondents”. Shelby County v. Holder et. al. Washington, DC. February 1. [ Download PDF ]

  • Barreto, Matt A., and Francisco Pedraza. 2012. “Harris County Minority Vote Dilution Analysis Expert Report”. Houston, TX. August 1. [ Download PDF ]

  • Barreto, Matt A., Cameron Caldwell and Kassra A.R. Oskooii. 2012. “Disecting Voting Patterns in the Gonzalez-Danielson Supreme Court Contest in Washington State”. Seattle, WA. September 26. [ Download PDF ]

  • Barreto, Matt A. 2012. “Defining Polarized Voting - Examples from Washington State”. Seattle, WA. December. [ Download PDF ]

  • Barreto, Matt A. 2011. “A Summary of Voting Patterns in Los Angeles County.” Report Commissioned by: The California Citizens Redistricting Committee. Sacramento, CA. July 13. [ Download PDF ]

  • Barreto, Matt A. and Loren Collingwood. 2011. “A Review of Racially Polarized Voting For and Against Latino Candidates in Los Angeles County 1994 – 2010.” Report 1 of 2. Commissioned by: Los Angeles County Supervisor Gloria Molina. July 29. [ Download PDF ]

  • Barreto, Matt A. and Loren Collingwood. 2011. “A Review of Racially Polarized Voting For and Against Latino Candidates in Los Angeles County: An Addendum.” Report 2 of 2. Commissioned by: Los Angeles County Supervisor Gloria Molina. August 4. [ Download PDF ]

  • Barreto, Matt A., Christian Grose and Ana Henderson. 2011. "Redistricting: Coalition Districts and the Voting Rights Act." The Warrent Institute on Law and Social Policy, University of California, Berkeley. May. [ Download PDF ]

  • Barreto, Matt A. 2010. “Latino Candidates and Racial Block Voting in the 2010 Primary and Judicial Elections.” Report Commissioned by: The Los Angeles County Chicano Employees Association. Alhambra, CA. December 3. [ Download PDF ]

  • Grofman, Bernard and Matt Barreto. 2009. “A Reply to Zax’s (2002) Critique of Grofman and Migalski (1988): Double Equation Approaches to Ecological Inferences” Sociological Methods and Research. 37 (May) [ Download PDF ]

  • Barreto, Matt A. and Loren Collingwood. 2009. “Latino Candidates and Racial Block Voting in the 2008 Primary and Judicial Elections.” Report Commissioned by: The Los Angeles County Chicano Employees Association. Alhambra, CA. October 31. [ Download PDF ]

  • Abosch, Yishaiya, Matt Barreto and Nathan Woods. 2007. “An Assessment of Racially Polarized Voting For and Against Latino Candidates in California.” In Ana Henderson (ed.) Voting Rights Act Reauthorization of 2006. Berkeley, CA: Berkeley Public Policy Press. [ Download PDF ]

  • Barreto, Matt 2007. “Si Se Puede! Latino Candidates and the Mobilization of Latino Voters.” American Political Science Review. 101 (August) [ Download PDF ]

  • Barreto, Matt. 2007. “The Role of Latino Candidates in Mobilizing Latino Voters.” In Rodolfo Espino, David Leal, Kenneth Meier (eds.) Latino Politics. Charlottesville: University of Virginia Press. [ Download PDF ]

  • Barreto, Matt A. 2007. “Latino Candidates and Racial Block Voting in the 2006 Primary and Judicial Elections.” Report Commissioned by: The Los Angeles County Chicano Employees Association. Alhambra, CA. February. [ Download PDF ]

  • Barreto, Matt, Fernando Guerra, Mara Marks, Stephen Nuño, and Nathan Woods. 2006. “Controversies in Exit Polling: Implementing a racially stratified homogenous precinct approach.” PS: Political Science & Politics. 39 (July). [ Download PDF ]

  • Barreto, Matt, Mario Villarreal and Nathan Woods. 2005. “Metropolitan Latino Political Behavior: Turnout and Candidate Preference in Los Angeles.” Journal of Urban Affairs. 27(February) [ Download PDF ]

  • Barreto, Matt, Gary Segura and Nathan Woods. 2004. “The Effects of Overlapping Majority-Minority Districts on Latino Turnout.” American Political Science Review. 98 (February): 65-75. [ Download PDF ]

    Contact: mbarreto(at)uw.edu

    Department of Political Science