What is the main reason for including a control group in the design of an experiment?

0 votes
    To test the effect of more than one variable.
    To ensure that the results are due to a difference in only one variable.
    To demonstrate how the experiment was performed incorrectly.
    To provide more data, so that a more sophisticated experimental analysis can be made.
asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
To ensure that the results are due to a difference in only one variable.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



...