Answer :
Final answer:
A characteristic in an experiment, such as how much food, how much space, how hot or how cold, is termed a variable.
Explanation:
A characteristic in an experiment, such as how much food, how much space, how hot or how cold, is termed a variable. Variables can be quantitative or qualitative and are used to measure or describe different aspects of an experiment.
For example, in an experiment testing the effect of tableware size on the amount of food eaten, the size of the tableware would be the explanatory variable and the amount of food eaten would be the response variable.
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