Experimental Designs

Assignment Instructions
Tittle: Answer Questions About Experimental Designs
Answer the following questions. The assignment is divided in 2 parts.
Part 1.
Instructions- Jackson, even-numbered Chapter Exercises, pp. 335-337. See presentation slides 2-4.
Part 2.
Instructions- Answer the following questions
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
What is blocking and how does it reduce “noise”? What is a disadvantage of blocking?
What is a factor? How can the use of factors benefit a design?
Explain main effects and interaction effects.
How does a covariate reduce noise?
Describe and explain three trade-offs present in experiments.
Support the paper with a minimum of 6 resources. In addition to these specified resources, other appropriate scholarly
resources, including older articles, may be included.
Length: 5 pages not including title and reference pages
References: Minimum of 6 scholarly resources.
Your paper should reflect scholarly writing and current APA standards.

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