When more than one variable in an experiment is changed at a time, the scientist

A.

cannot tell which change produced the results.

B.

cannot accurately measure both variables at the same time.

C.

needs to conduct more trials in order to get conclusive results.

D.

made a systematic error that needs to be corrected.

Question

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Chemistry

3 April, 13:51

When more than one variable in an experiment is changed at a time, the scientist

A.

cannot tell which change produced the results.

B.

cannot accurately measure both variables at the same time.

C.

needs to conduct more trials in order to get conclusive results.

D.

made a systematic error that needs to be corrected.

+4

Answers (1)

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Matias Arroyo · Answer 1

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