Q:
What Is the Purpose of a Control in an Experiment?
A:
Quick Answer
In an experiment, a control is used to establish a baseline to compare the results of the main experiment to. Having a control group rules out any environmental variables, such as temperature and humidity, from affecting the conclusion of the experiment.
Continue Reading
Credit:
Alexei Cruglicov
E+
Getty Images
Full Answer
Most experiments aim to prove if a method or material is better or worse than an existing method or material. The two experiments being compared to each other can't be done at different times or different locations, or there is a significant risk of there being confounding variables. Most experiments have both an experimental group testing the new variable and a control group that employs the normal settings running simultaneously to return valid results.
Learn more about ChemistryRelated Questions
-
Q:
How Long Does It Take to Get Results From a Concussion Test?
A: A baseline concussion test typically takes 30 to 45 minutes to administer and receive results, depending on the specifics of the test. These concussion tes... Full Answer >Filed Under: -
Q:
What Is a Controlled Variable?
A: A controlled variable is the element or feature that cannot be changed during the course of an experiment. The controlled variable is kept constant so the ... Full Answer >Filed Under: -
Q:
How Was the Proton Discovered?
A: The proton was discovered by Ernest Rutherford through the gold foil experiment, says the Purdue University College of Science. The results of the experime... Full Answer >Filed Under: -
Q:
What Does a Bunsen Burner Do?
A: A Bunsen burner is used in a laboratory to heat substances during an experiment. A Bunsen burner is a small gas burner that uses an adjustable flame. The f... Full Answer >Filed Under:
