Friday, September 16, 2011


Homework for Monday:

4.2 Experiments: What Can Go Wrong? Inference for Experiments
• Describe how to avoid the placebo effect in an experiment.
• Explain the meaning and the purpose of blinding in an experiment.
• Explain in context what “statistically significant” means.
p. 256; #69, 71, 73, 75
read/notes
p. 246-252

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