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Independent Variable

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

Definition

The independent variable is the factor intentionally changed in an experiment.

Course connection

ACT Science: Scientific Investigation

Keep studying

Review this concept in ACT Science: Scientific InvestigationACT course hub

Independent Variable cheat sheet for homework

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5 Must Know Facts For Your Next Test

  1. Independent Variable appears across 1 ACT guide as a remediation concept.
  2. Ask what the experimenter changed on purpose.

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