What is correlation?
How is correlation used to understand the relationship between two variables?
What is the difference between positive and negative (inverse) correlation?
What is the correlation coefficient (r-value)?
What values can the correlation coefficient (r-value) have and what do these values reveal about the relationship they describe?
How is SPSS used to calculate the correlation (also called the Pearson Correlation)?
How do you identify the dependent and independent variables in a correlation analysis?
Does correlation imply causation?