Where do well written experiments control the variables

1 answer:

fomenos3 years ago

5 0

In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. The researcher can operationalize (i.e. define) the variables being studied so they can be objectivity measured.

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$\boxed{\tt B. \ Conversion\ of\ light \ energy \ to \ chemical \ energy}$

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