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Biology 18 Online
OpenStudy (anonymous):

An experiment in which only one variable is changed is a(an)

OpenStudy (anonymous):

When we only change one variable at a time, we call it a "controlled" experiment.

OpenStudy (asib1214):

some variables to keep in mind...^_^ controlled variable is the one element that must not be changed throughout an experiment. dependent variable is to see how it responds to the change made to the independent variable. The independent variable is the one that is changed by the scientist/you.

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