|MadSci Network: Other|
I don't really understand the concept of a CONTROL. I'm doing an experiment that tests the affect of different colored test papers on the test scores. I'll be testing pink and light blue paper to see if one is better than the other for easing test anxiety. But I have no idea what the control would be. I thought it would be white paper, but my teacher said that it isn't nessecary. I'll be using the Chapter Tests in a Biology class and one period will take the tests on pink paper and another period on light blue paper. Thanks for your help!
Re: Do all experiments absolutely need a controlled variable?
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