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Control Group

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

A control group is the comparison group used to judge the effect of the independent variable.

Course connection

Fiveable's ACT Science Section Overview: What's On It?

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Review this concept in Fiveable's ACT Science Section Overview: What's On It? ACT course hub

Control Group cheat sheet for homework

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5 Must Know Facts For Your Next Test

  1. Control Group appears across 2 ACT guides as a remediation concept.
  2. The control group is not the variable held constant. It is the baseline group.