What is polynomial regression analysis? What is the benefit of polynomial regression models? What is the difference between a linear, quadratic,

Week 8: Discussion: Polynomial Regression Analysis 

Week 8: Discussion: Course Reflection

1. What is polynomial regression analysis?
2. What is the benefit of polynomial regression models?
3. What is the difference between a linear, quadratic, and cubic regression analysis?
4. When looking at the SPSS output, how do you know what is the best fitting model?
5. What values do you need from the SPSS output in order to report the findings in the results section in APA style?

Please share what you like about the class, and what if anything you would change (That is within reason — i.e., something that is possible given the goals for the course and the Ph.D. program).

• You may also share any feedback about the course textbook, videos, discussions, and assignments (separately or within the letter to your peers). 
• Also, are you on track with your learning goals for the term? What evidence do you have to support this? 

NOTE: This response "counts" as one of your discussion posts.