Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 1 - Module 3 - Scientific Method - AP Review Questions: 5

Answer

(d) a group with the same conditions as the experimental group except for the study variable.

Work Step by Step

A control group's purpose is to provide a comparison for the experimental group in order to determine if an observation is caused by the experiment itself or by something else in the environment.
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