Extraneous
An <em>extraneous variable</em> is a variable in an experiment that you are not intentionally studying. These variables usually provide undesired affects on the experiment.
In this example, the independent variable is whether a sentence is humorous or not, and the dependent variable is the memory performance score. However, because the humorous sentences are only given to males, and the non-humorous sentences are only given to females, gender becomes an extraneous variable as you are not intentionally testing gender's relation to the dependent variable, but it is still affecting the experiment.
Why is the research plan pivotal to a research project
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While these symbols may change over time, they can help to bind a nation ... Six U.S. symbols are depicted in this primary source set: the Liberty Bell, the U.S. ... To help your students analyze these primary sources, get a graphic organizer ... of the United States is commonly known as the “Stars and Stripes” or “Old Glory.
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