Chapter 9 notes

Chapter 9 notes - Chapter 9 Experimental Design Overview of...

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Unformatted text preview: Chapter 9 Experimental Design Overview of Chapter Today One way Designs Factorial Designs Next Time Main Effects and Interactions Combining Independent and Subject Variables One-Way Designs One-way design: experimental designs in which only one IV is manipulated This is the broad category name. There are several types of one-way designs Two-group experimental design: the simplest type of one-way design Example: effects of marijuana on memory Two groups, each gets memory test Control, marijuana user group One-Way Designs Experiments typically involve more than two levels of the IV Example: Weight loss 53 obese individuals randomized to 5 conditions Reward Punishment Both reward and punishment Monitor with neither reward nor punishment No monitoring (control group) Assigning Participants to Condition Randomized group designs Between-subjects design Random assignment to groups Matched-subjects design Between-subjects Participants matched to groups on a specified variable Repeated measures Within-subjects design Each participant serves in all conditions These three are post-test only Assigning Participants to...
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Chapter 9 notes - Chapter 9 Experimental Design Overview of...

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