01:220:102 Chapter Notes - Chapter 0: Scatter Plot

• School: Rutgers University
• Department: Economic
• Course: 01:220:102
• Professor: D.Okada

Document Summary

A well-designed graph summarizes information with a simple visual display - the old adage a picture is worth a thousand words might help you understand the popularity of visual images. Sadoff, levitt, and list carried out an experiment and used incentives to change students" behavior (how financial reward affects student test scores), leads to a discussion of cause and effect. Compare causal relationships between variables and consider correlations between variables. Control group: no students received financial compensation for meeting special standards established by experimenters. Treatment group with student incentives: students would receive for each month the standards were met. Treatment group with parent incentives: students" parents would receive for each month the standards were met. Did not have a d or f in any class during month. Had no more than one unexcused absence during month. Variable is a factor that is likely to vary or change.