What is the role of positive and negative controls in an experiment?

[lha08]

Homework Statement

Could anyone explain to me what exactly is positive and negative control in an experiment?

Homework Equations

The Attempt at a Solution

 

[Mapes]

As you may know, we can't just provide answers for homework-type questions at PF, since that wouldn't help anyone learn. So what are your thoughts on the matter? (Hint: a world of information can be found by searching "positive and negative controls.")

 

[lha08]

As you may know, we can't just provide answers for homework-type questions at PF, since that wouldn't help anyone learn. So what are your thoughts on the matter? (Hint: a world of information can be found by searching "positive and negative controls.")

Forget it I've figured it out and FYI this is not a homework question