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What is an example of an independent variable?

Question:

What is an example of an independent variable?

Scientific Studies:

When a scientist sets up an experiment they need to have as much control as possible over whatever it is they are studying. A chemist has control over the temperature, pressure, and purity of his materials. Almost everything can be controlled inside the vessel where a reaction is taking place. Ideally only one thing is changed in an experiment. Another reaction vessel called the control is set up which is identical to the first one in every way except one.

Answer and Explanation:

The one thing that is being changed on purpose by the experimenter in a controlled experiment is called the independent variable. In an ideal world...

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What are Variables in Science? - Definition, Types & Examples

from High School Biology: Tutoring Solution

Chapter 1 / Lesson 9
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