Chapter 13 Guiding Questions

Here are a few questions to look at for chapter 13.

1) What is an observational study?

2) What is the difference between a retrospective and prospective observational study?

3) What is an experiment?

4) In an experiment, there are a many important things to consider. Please define the following terms: experimental units, factor, response variable, treatments, level, single-blind, double-blind, control group, placebo, matched pair design, statistically significant

5) What are the four principles of experimental design? Describe each principle.

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