Why is it important to have a control group in an experimental investigation?
a: to show wha...
Chemistry, 31.08.2019 15:30 raoufhanna
Why is it important to have a control group in an experimental investigation?
a: to show what happens when the dependent variable is not changed
b: to see how the dependent variable changes the independent variable
c: to compare the results when the independent variable is not involved
d: to allow the researchers to change the dependent variable as they wish
Answers: 1
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