Did you know that some colored paper can improve your grade and some colored paper can hurt your grade? There is an interesting article on rwahlers.iweb.bsu.edu talking about all the different studies. Red, and pink both have a negative effect, however they both cause less fatigue than yellow. Blue and green are said to cause the least anxiety. White has no effect on scores, and it also said to have the most positive effect on grades. The idea that, different paper colors have no effect on exam scores, is brought about.
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The results seem to make sense to me. Just like in literature the softer colors like blue and green are the calm colors. And the brighter colors like red and yellow represent high emotion and cowardness. White is a neutral color and represents purity. Which also seems to have a connection since white tests bring about the best results and purist answers. I personally have not noticed a difference the different color tests. But that also may because I have never conducted a formal experiment on it either. I would find it very interesting to see how I would react to the different colors. And see if I would get similar results. What do you think, have you ever noticed a difference in test color?