Resources

In this paper, authors use Orange County, California data to demonstrate efficient audit strategies for many contests and shows how contest selection by discrepancy can reduce workload.

This report provides practical guidance for conducting tabulation audits, with discussion of audit methods and links to risk limiting audit resources.

This report outlines Virginia's 2022 risk limiting audit process, results, observations, and recommendations for future audits.

This report describes the Carter Center's observation of the 2022 risk limiting audit conducted in Georgia.

Explains risk limiting audits (RLA) for observers, including steps, what observers should monitor, and how RLAs compare with other post-election checks.

In this paper, authors present ALPHA, a flexible risk limiting audit method that can handle sampling without replacement and stratification while learning from audited ballots.

The guide provides a basic framework for testing risk limiting audits in diverse contexts by outlining foundational prerequisites and operational, legal and regulatory considerations

This paper shows how reporting data at the ballot-card level can reduce risk limiting audits sample sizes and improve audit efficiency.

This report discusses ballot-accounting audits as a complementary check to tabulation audits, emphasizing reconciliation and chain of custody.

This report provides a national overview of post-election audits, audit types, history, and state practices across the United States.

In this report, Morrell guides jurisdictions through planning and conducting risk limiting audits pilots, including stakeholder preparation, logistics, and post-pilot evaluation.

In this paper, authors argue that risk limiting audits can verify tabulation of paper records but cannot by themselves ensure ballot marking device printouts reflect voter intent if voters do not verify them.