Chapter 12: Research Design Explained | Student Page

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Get a slow, gentle introduction to the factorial experiment, and ...

Review and improve your understanding of the material	Quiz yourself	Apply this information	Get help
Study this concept map to see the connections between key terms	Take a quick matching test	Get a more in-depth understanding of interactions (especially ordinal and disordinal ones) by reading this Web Appendix.	Get help answering the end-of-chapter exercises
If you are unsure about how to interpret a 2 X 2 factorial experiment, here are some tutorials that should help. Short web tutorial (works well with the book). This PowerPoint tutorial will help you understand interactions--without math. Download this thorough tutorial. It is long, but you will be a master at interpreting 2 X 2 designs once you are done. If you want to learn in smaller bites, download the following three tutorials: Introduction to factorial experiments, Part 1: Simple main effects Introduction to factorial experiments, Part 2: Main effects and interactions Introduction to factorial experiments, Part 3: Interpreting graphs of 2 X 2 experiments	Take the Practice Quiz (a short, general quiz over the entire chapter).	Get a better idea of the steps involved in conducting a study by reading "Web Appendix: Conducting a Study."
	Take 10-item quizzes over the first part of the chapter. Quiz A Quiz B Take 9-item quizzes over the second part of the chapter. Quiz A Quiz B Take 6-item quizzes over the third part of the chapter. Quiz A Quiz B Take 7-item quizzes over the fourth part of the chapter. Quiz A Quiz B .	For help stating the predicted results of your proposed study in terms of main effects and interactions), click here. Get help calculating degrees of freedom for a factorial design.
Review by Studying the key terms. Studying the key issues Studying the chapter summary Testing yourself over the chapter objectives. Reminding yourself why we need these designs (Dilbert cartoon) Quick fill-in-the-blank tutorial/quiz to see if you can decipher a 2 X 2 table.	Test your skill at interpreting main effects and interactions. Easiest version (examples include only main effects) Medium version Slightly more challenging version Toughest version	Do an ANOVA using a statistical calculator.

Chapter 12 exercises

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