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Unformatted text preview: relationship. 1. Temporal order : The independent variable has to occur before the dependent variable. 2. Association (or correlation) : A change in one variable is associated with a change in the other variable. 3. Elimination of plausible alternatives : The researcher has to ensure that the association between the two variables is not caused by a third variable (e.g., there are no spurious correlations). In order to show that one variable cause a change in another variable the scientist has to control for other factors that might be influencing the relationship...
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This note was uploaded on 11/22/2011 for the course SCIE SYG2000 taught by Professor Bernhardt during the Fall '10 term at Broward College.
- Fall '10