ap psy3.6.docx - Difference between correlation and causation Correlation is that When researchers find a correlation or association they mean they have

ap psy3.6.docx - Difference between correlation and...

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Difference between correlation and causation. Correlation is that When researchers find a correlation or association, they mean they have found a relationship between two or more variables. It is a quick and easy way of showing a possible relationship between two co-variables. For example, in the case of the cannabis post, researchers found a link between marijuana use during adolescence and those in their 20s, 30s, 30s, and 30s. Correlations can be positive -- so when one variable (marijuana use) goes up, another variable (relationship problems) goes up; Or they can be negative, which means that as one variable goes up (methamphetamine use), the other variable goes down (grade point average). The problem is that unless they are properly controlled, there may be other variables that affect this relationship that the researchers don't know about. For example, education, gender, and mental health issues may be the cause of the marijuana-relationship association (these variables were controlled for by the researchers).
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