445,507 views
13 votes
13 votes
Why is it important to have a "controlled" experiment?

O to change only one variable at a time
O to control the results of the experiment
O to keep all the variables the same
O to answer multiple questions at once

User Iman Shafiei
by
2.8k points

1 Answer

15 votes
15 votes
To control the results of the experiment
User Kirill Chernikov
by
3.2k points