Appearance by the end of:
Week 1 |
Week 3 |
Week 5 |
Week 7 |
Week 9 |
Week 11 |
Week 2 |
Week 4 |
Week 6 |
Week 8 |
Week 10 |
Week 12 |
CONCLUSION: It is difficult to confirm either of the two assumptions:
- the new toothpaste is better OR
- The new toothpaste is not better (and perhaps even worse) …than other toothpaste
Go on to read why not