Question

what is the importance of variables in an experiment

Answer:-
Variables are an important part of an eye tracking experiment. A variable is anything that can change or be changed. In other words, it is any factor that can be manipulated, controlled for, or measured in an experiment.​

Answer 1

Answer:

If more than one variable is changed in an experiment, scientist cannot attribute the changes or differences in the results to one cause. By looking at and changing one variable at a time, the results can be directly attributed to the independent variable.

Explanation:

hope you have understood

Answer 2

Answer:

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