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Which of the following definitions best describes an independent variable?

Which of the following definitions best describes an independent variable?

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A. Factors that can be changed by the person performing the experiment.
B. Factors that cannot be changed by the person performing the experiement.
C. Factors that can only be control by someone other than the person performing the esperiment

This question is part of Earth Science Quiz
Asked by Kinaalvarez, Last updated: Nov 27, 2018

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3 Answers

E. Austin

E. Austin

Answered on Nov 27, 2018

The kinds of variable that are compose a scientific experiment are the dependent variable, the independent variable and the control. The experimenter is interested in the dependent variable. He wants to see how and how much or little it will change. To do this he inputs one or more independent variable.

The dependent variable is what is being measured in an experiment and the independent variable(s) such as age or size or pregnancy indicate a state which remains the same during the experiment. It is like having fences against which changes can be measured.

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l.Steven

L.Steven

Answered on Jan 07, 2018

The factors that can be changed by the person performing the experiment can be described as an independent variable. This is a concept that has been brought by mathematical research and studies that date back to ancient times. A dependent variable is the one that shows the results, or outcome of a subject whose variation is under investigation.

In other terms, the values of a dependent variable will always depend on the values of an independent variable. However, the values of a dependent variable will not have any effect on the initial values of an independent variable. This is how they work in mathematical equations.

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John Smith

John Smith

Answered on Feb 03, 2017

Factors that can be changed by the person performing the experiment.
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