Standard Article

Control Group

Environmental Health

  1. Sander Greenland

Published Online: 15 JAN 2013

DOI: 10.1002/9780470057339.vac051.pub2

Encyclopedia of Environmetrics

Encyclopedia of Environmetrics

How to Cite

Greenland, S. 2013. Control Group . Encyclopedia of Environmetrics. 1.

Author Information

  1. University of California, Los Angeles, CA, USA

Publication History

  1. Published Online: 15 JAN 2013


A control group is a group of subjects who are given a control (reference) exposure, such as a placebo or no exposure, to provide a baseline against which to measure effects of the exposure in an exposed group of subjects.