# What is an Independent Variable? - Definition & Explanation

Instructions:

question 1 of 3

### Dr. X does a study with three groups of ten students each. Each group consumes a different amount of caffeine (high, medium, and low amounts). Dr. X then measures all of the students on how well they do on a concentration test. What is the independent variable in this study?

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### 2. What fields use independent variables?

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This quiz and corresponding worksheet gauge your understanding of independent variables. Topics you'll need to know to pass the quiz include independent and dependent variables.

## Quiz & Worksheet Goals

Use these assessment tools to assess your ability to:

• Identify independent variables in experiments
• Recall the definition of independent variables
• Explore the role of control groups
• Understand the purpose of independent and dependent variables

## Skills Practiced

This worksheet and quiz let you practice the following skills:

• Reading comprehension- ensure that you draw the most important information from the related lesson on independent variables
• Distinguishing differences- compare and contrast topics from the lesson, such as independent variables and dependent variables

The lesson called What is an Independent Variable? - Definition & Explanation will help you absorb the various subtleties of the subject. This lesson covers the following topics:

• Define independent variables
• Distinguish differences between independent variables and dependent variables
• Explore scientific fields that use independent and dependent variables
• Identify what a control group and experimental group are
• Explore examples of experiments
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