Question 1: How do you know when to use a correlation? What types of variables are appropriate for its use? Use variables commonly utilized in criminal justice research to support your answer.

Question 2: What is positive correlation? Negative correlation? No correlation? Use variables commonly utilized in criminal justice research to support your answer.

Question 3: What is the coefficient of determination? How is it calculated? What information does this give us?

Question 4: How do you know when to use a regression? What types of variables are appropriate for its use? Use variables commonly utilized in criminal justice research to support your answer.

Question 5: Explain the difference between bivariate and multiple regression. What is the importance of using multiple independent variables?

Question 6: In a hypothetical research study, there is a statistically significant, negative relationship between defendant income level and prison sentence length imposed. Throughout this course, you have seen examples of the need to consider additional variables before making a decision about the trustworthiness of a bivariate relationship. What more would you want to know about criminal cases in order to determine that you have a clear picture of the income-sentence length relationship? Identify and discuss the variables that you would add to this analysis, and why.