What is the most difficult part of a controlled experiment?

1.) testing only one variable

2.) testing two variables

3.) testing multiple variables

4.) testing zero variables

Question

Squirt

Biology

28 January, 09:27

What is the most difficult part of a controlled experiment?

1.) testing only one variable

2.) testing two variables

3.) testing multiple variables

4.) testing zero variables

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Answers (1)

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Grimes · Answer 1

1. Testing only one variable

A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.

What is the most difficult part of a controlled experiment?1.) testing only one variable2.) testing two variables3.) testing multiple variables4.) testing zero variables

What is the most difficult part of a controlled experiment?

1.) testing only one variable

2.) testing two variables

3.) testing multiple variables

4.) testing zero variables