• Sampling is a method of reviewing statistical ratios of complete or portions of a classified corpus for the purposes of validation.
  • The process of statistically testing data for the presence of relevant information. Often used to provide courts with a cost estimate in order to allocate cost sharing. 1
  • Sampling usually (but not always) refers to the process of statistically testing a database for the likelihood of relevant information. It can be a useful technique in addressing a number of issues relating to litigation, including decisions what repositories of data are appropriate to search in a particular litigation, and determinations of the validity and effectiveness of searches or other data extraction procedures. Sampling can be useful in providing information to the court about the relative cost burden versus benefit of requiring a party to review certain electronic records. 2 3


  1. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).
  2. Kroll Ontrack, Glossary of Terms,
  3. Merrill Corporation, Electronic Discovery Glossary.
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