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fair test
Definition
A fair test is an experiment that is designed to test one variable at a time. This means that all of the other factors that could affect the outcome of the experiment are kept the same.
For example, if you are testing whether different types of soil affect the growth of plants, you would need to use the same type of plant, the same amount of water, and the same amount of sunlight for each type of soil.
If you do not keep all of the other factors the same, you will not be able to tell which type of soil is actually causing the difference in plant growth.
How can the word be used?
A fair test is a test that is conducted in a way that is free from bias or favoritism.
Different forms of the word
Noun: fair test, controlled experiment.
Adjective: fair, impartial, unbiased.
Verb: to test fairly, to conduct a fair test.
Etymology
The word "fair" comes from the Old English word fǣr, which means "just," "righteous," or "equitable." It was first used in English in the 10th century, and it is still used today to refer to something that is just or equitable.
Question
Why is it important to conduct any experiment as a fair test?