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. Review the concept of interaction by reading this mystery.	Take a quick matching test Review using our flashcards	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. Game that helps you understand main effects. Practice interpreting 2 X 2 tables of means and getting a feel for interactions. Tutorial that provides a gentle introduction to factorial designs Short web tutorial (works well with the book). This PowerPoint tutorial will help you understand interactions--without math. Download these interactive Powerpoint tutorials. To use these programs, you need to (1) have PowerPoint and (2) allow the programs to use macros. If you are having trouble enabling macros on your computer, and have a Mac, click here. If you have a Windows machine, click here. 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 definitions of factorial designs, main effects, and interactions (the first part of the chapter). Quiz A Quiz B Take 9-item quizzes over making sense of the results of a 2 X 2 experiment (the second part of the chapter). Quiz A Quiz B Take 6-item quizzes over interpreting ordinal interactions (the third part of the chapter). Quiz A Quiz B Take 7-item quizzes over different types of factorial designs (the fourth part of the chapter). Quiz A Quiz B Quiz to review main effects and interactions as well as to test your ability to make sense of tables of means Quick quiz to test your ability to make sense of graphs of results of 2 X 2 factorial designs .	For help seeing what a 2 X 2 table of means indicates in terms of main effects and interactions, click here. To convert a 2 X 2 table of means into a graph, click here. 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. See what different factorial designs look like and how many participants they require
Review by Studying the key terms. Studying the key issues Studying the chapter summary Testing yourself over the chapter objectives. Quick fill-in-the-blank tutorial/quiz to see if you can decipher a 2 X 2 table. Get feedback on how well you can interpret these 3 graphs. Being sure you understand the answers to these review questions before taking a quiz or test over Chapter 12.	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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