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Ch. 13 1 Experiment
- 1. OBJECTIVES 1. 2. 3. HW REMINDERS HW Check Quiz Tuesday Dec. 11 Ch. 12 & 13 Experimental Design Rolling Down the River Read 298 - 304 Ch. 13: 12, 13, 14, 15
- 3. OBSERVATIONAL STUDY 2007 1997 Select subjects Gather data RETROSPECTIVE
- 4. OBSERVATIONAL STUDY 2007 2008 Select subjects Gather data PROSPECTIVE
- 5. EXPERIMENT - Subjects are randomly assigned to a treatment HEADS - TREATMENT A TAILS - TREATMENT B TREATMENT A TREATMENT B 1 2 3 4
- 6. FACTOR - What is being manipulated 100 SUBJECTS 0 mg of Drug 10 mg of Drug 20 mg of Drug 30 mg of Drug EXPLANATORY (mg of Drug) 10 20 30 0
- 7. RESPONSE VARIABLE - What is being measured 100 SUBJECTS 0 mg of Drug 10 mg of Drug 20 mg of Drug 30 mg of Drug EXPLANATORY (mg of Drug) RESPONSE (REACTION TIME) in seconds 25 reaction times 25 reaction times 25 reaction times 25 reaction times 10 20 30 0