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Unformatted text preview: • Sample may be biased Single studies are not usually the final word • Rare for one study to come up with conclusive answers • Usually studies are conflicting • Most “answers” emerge gradually over time Correlalational studies do not show cause • Correlation – “co-relate” – two variables measured to see how they relate • Does not mean that one variable causes the other o Ex. Divorce + grades, other things can cause things to relate to each other Consider the source of the information • All studies are not automatically accepted • Media has different levels of credibility • Advocacy research, sponsored research, etc...
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This note was uploaded on 03/16/2010 for the course CDE 22222 taught by Professor Vanvleet during the Spring '10 term at Arizona.
- Spring '10