statistics Jackson, even-numbered Chapter Exercises, pp. 308-310.

Section:Quantitative Designs

Week:3

Activity:Answer Questions About Experimental Design

Activity Due Date:05/03/2015

Answer the Following Questions

1. Jackson, even-numbered Chapter Exercises, pp. 308-310.

2. What is an F-ratio? Define all the technical terms in your answer.

3. What is error variance and how is it calculated?

4. Why would anyone ever want more than two (2) levels of an independent variable?

5. If you were doing a study to see if a treatment causes a significant effect, what would it mean if within groups, variance was higher than

between groups variance? If between groups variance was higher than within groups variance? Explain your answer

6. What is the purpose of a post-hoc test with analysis of variance?

7. What is probabilistic equivalence? Why is it important?

Support your paper with a minimum of 5 resources. In addition to these specified resources, other appropriate scholarly resources, including

older articles, may be included.

Length: 5-7 pages not including title and reference pages

References: Minimum of 5 scholarly resources.

Your paper should demonstrate thoughtful consideration of the ideas and concepts that are presented in the course and provide new thoughts

and insights relating directly to this topic. Your paper should reflect scholarly writing and current APA standards. ReviewAPA Form and Style.

Be sure to adhere to Northcentral University's Academic Integrity Policy. View theNorthcentral Academic Integrity Tutorialto refresh your

knowledge of how to achieve academic integrity.

Upload your assignment using the Upload Assignment button below.

4.0 Develop experimental designs with multiple levels of an independent variable and associated statistical analyses.

Jackson, S. L. (2012) Research methods and statistics: A critical

thinking approach.

Read Chapter 11

Trochim, W. M. K., & Donnelly, J. P. (2008) The research methods

knowledge base.

Read Pages 185 - 191