![]() Here are some industries that use control groups in experiments: Related: Extraneous Variables: Types, Examples and How To Control Them Who uses control groups? Comparing the common drug to the new drug can help the research team find conclusive evidence to support or deny the original hypothesis. This can help them determine how much more effective the new version of the drug, or the variable, is. From there, they can compare variable groups with the control group to draw conclusions.įor example, if a medical team is researching the efficacy of a new drug in treating cancerous cells, they might use a common cancer drug as a control. When they design the experiment, researchers may control the assignment of variables to different experimental groups to see their effects. ![]() Variables are the factors in an experiment that are subject to change. Read more: What Is a Control in an Experiment? (Definition and Guide) What are variables? This can tell them if the variable had an effect or if some other factor caused a change in both control and variable groups. Researchers can then compare the control group with the outcomes of the experiment to collect accurate results. A control group may also receive alternative treatment. While some groups in an experiment may experience a particular changing variable, like a new medication, others may not encounter this variable to see if the researchers notice any effect for those that didn't. What is a control group?Ī control group is a collection of factors that remains constant throughout an experiment. In this article, we explain what control groups and variables are, describe who uses control groups and offer 11 control group examples to help you prepare a successful experiment. Learning about the different types of control groups can help you establish best practices for conducting experiments in your research career. Using both control groups and variables, researchers compare results and generate conclusions, which research teams and the scientific community review for accuracy. Experimentation helps scientists and other researchers learn information, support hypotheses, formulate new methods and determine the effectiveness of current investigative strategies.
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