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The three major things that differ experiments from the descriptive and correlational approaches.
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Psychology When dealing with experimental methods you systematically vary one or more factors in order to see what effects the changes have on behaviour. An experiment is often performed in a laboratory because it's easier to control the factors which one systematically wishes to vary. There are three major things that differs experiments from the descriptive and correlational approaches. 1. As mentioned above you manipulate one or more variables. 2. Whereas most experiments are done in a laboratory, descriptive and correlational research is done in a more natural area. 3. Descriptive and correlational researchers are not able to keep extraneous factors constant in the way that experimenters can. The main advantage is that you can draw conclusions. You can't do that in the other two methods. One disadvantage is the ethical problem. You can only do experiments that don't affect the subjects in a negative way. Consider the belief that alcohol is a sexual stimulant, and...
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