Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Controlled variable

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

Definition

noun, plural: control variables

A variable that remains unchanged or held constant to prevent its effects on the outcome and therefore may verify the behavior of and the relationship between independent and dependent variables.


Supplement

Control variables are important in scientific experiments to test the validity of the results. For instance, in an experiment on Boyle's law, the temperature must be kept constant so that the outcome from the experiment can be regarded as valid.


Variant: control variable

See also: independent variable, dependent variable