1. Choosing the right research design
Chapter 9
Choosing the right research design

2. One-Way Designs One independent variable Two groups at a minimum
One-way, multiple-groups design

3. Factorial Designs Ins and outs of factorial designs Main effects
Interactions

4. Within-Subjects Designs
Between-subjects versus within-subjects
“Repeated measures” design
Advantages of within-subjects designs
Disadvantages of within-subjects designs
Solutions to problems of within-subjects designs

5. Mixed-Model Designs
At least one independent variable is manipulated between-subjects
At least one independent variable is manipulated within-subjects

6. Key Terms from Chapter 9 One-way design Two-groups design
One-way, multiple-groups design
Levels of an independent variable
Factorial design
Main effect
Interaction
Ordinal (spreading) interaction
Disordinal (crossover) interaction
Simple effects test
Between-subjects design
Within-subjects design
Repeated measures

7. Key Terms from Chapter 9 Sequence effects Carryover effects
Order effects
Practice effects
Interference effects
Counterbalancing
Reverse counterbalancing
Partial counterbalancing
Latin square design
Structured debriefing
Mixed-model designs