Systematic Sample / Systematic Sampling


A Sampling method in which every Nth Document (for some fixed number N) is selected, when the Documents are considered in some prescribed order; the Sample resulting from such action. A Systematic Sample is random (and hence a true Statistical Sample) only when the prescribed order is itself random. Sometimes referred to as an Interval Sample / Interval Sampling. 1


  1. Maura R. Grossman and Gordon V. Cormack, EDRM page & 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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