Experimental Design Three Essential Properties of a Well-Designed Experiment Experimenter must: 1. Systematically vary (manipulate) at least one
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Document Date: 2014-09-04 13:29:58

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• Scientific method
• Manipulation checks
• Dependent and independent variables
• Extraneous variable
• Variable
• Random assignment
• Causality
• Design of quasi-experiments
• Internal validity
• Statistics