This preview shows page 1. Sign up to view the full content.
Unformatted text preview: o Conclusions about cause and effect can be drawn from experimental studies o Some weaknesses associated with experimental approach are the slightly artificial nature and the ethical nature-Correlation Study o Correlation - The relationship between two or more variables. o Correlation coefficient the statistical or mathematical estimate of the relationship between two variables o The value of the correlation coefficient can range between -1 and 1 o A positive correlation means that as one variable changes, the other changes in the same direction o A negative correlation means that as one variable changes, the other changes in the opposite direction o A zero correlation means that there is no relationship between the two variables...
View Full Document
- Fall '07