Experimental Design
Chapter 2 Experimental Design Definitions: 1) Observational study - observe outcomes without imposing any treatment 2) Experiment - actively impose some treatment in order to observe the response I?ve developed a new rabbit food, Hippity Hop. Rabbit Food Makes fur soft & shiny! Increases energy! 100% of daily vitamins & essential oils! Can I just make these claims? What must I do to make these claims? Who (what) should I test this on? What do I test? NO Do an experiment Rabbits The type of food 3)Experimental unit ? the single individual (person, animal, plant, etc.) to which the different treatments are assigned 4) Factor ? is the explanatory variable 5) Level ? a specific value for the factor 6) Response variable ? what you measure