How can you know if the spoon works?
Short, small group exercise on how to design a fair comparison using the "claim" that a spoon helps retain the bubbles in champagne.Key Concepts addressed:
- 1-2 Anecdotes are unreliable evidence
- 2-1 Comparisons are needed to identify treatment effects
- 2-4 Comparison groups should be treated equally
- 2-5 People should not know which treatment they get
- 2-6 Peoples' outcomes should be assessed similarly
Short, small group exercise on how to design a fair comparison using the “claim” that a spoon helps retain the bubbles in champagne.
Exercise 1. Students design a study; then
Exercise 2. Look at a study someone else has done.
This takes about 20 minutes, is good fun, and introduces some key concepts of trials.