4.2 Observational Studies vs. Experiments, The Language of Experiments, How to Experiment Badly
• Distinguish between an observational study and an experiment.
• Explain how a lurking variable in an observational study can lead to confounding.
• Identify the experimental units or subjects, explanatory variables (factors), treatments, and response variables in an experiment.
p. 230; #37-42
p. 253; #45-55 odd
read/notes
p. 236-242