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Judgmental Sample / Judgmental Sampling

Glossaries | EDRM Glossary | Grossman-Cormack Glossary | Grossman-Cormack Glossary index

Definition

  • A method in which a of the is drawn, based at least in part on subjective factors, so as to include the “most interesting” s by some criterion; the resulting from such method. Unlike a , the statistical properties of a may not be extrapolated to the entire . However, an individual (such as a auditor or an adversary) may use Judgmental Sampling to attempt to uncover defects. The failure to identify defects may be taken as evidence (albeit not statistical evidence, and certainly not proof) of the absence of defects. 1

A subset of the Document Population used to assess some characteristic of the Population; the act of generating such a subset of the Document Population. See Interval Sample, Judgmental Sample, Random Sample, Statistical Sample, or Systematic Sample.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

The set of Electronically Stored Information or Documents about which a Statistical Estimate may be made.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

In the context of Electronic Discovery, a discrete item of Electronically Stored Information that may be the subject or result of a search or review effort.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

A subset of the Document Population used to assess some characteristic of the Population; the act of generating such a subset of the Document Population. See Interval Sample, Judgmental Sample, Random Sample, Statistical Sample, or Systematic Sample.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

A subset of the Document Population selected by a method that is equally likely to select any Document from the Document Population for inclusion in the Sample; the Sample resulting from such action. Random Sampling is the basis of Statistical Estimation.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

A method in which a Sample of the Document Population is drawn, based at least in part on subjective factors, so as to include the “most interesting” Documents by some criterion; the Sample resulting from such method. Unlike a Random Sample, the statistical properties of a Judgmental Sample may not be extrapolated to the entire Population. However, an individual (such as a quality assurance auditor or an adversary) may use Judgmental Sampling to attempt to uncover defects. The failure to identify defects may be taken as evidence (albeit not statistical evidence, and certainly not proof) of the absence of defects.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

See Document Population: The set of Electronically Stored Information or Documents about which a Statistical Estimate may be made.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

A method to ensure, after the fact, that a search or review effort has achieved reasonable results.

Maura R. Grossman and Gordon V. Cormack, The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013)

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