Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times fast

Question

Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times faster than other toothpastes. How would you design a controlled experiment to test Dr. Sullivan's hypothesis?
Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times faster than other toothpastes. How would you design a controlled experiment to test Dr. Sullivan's hypothesis?
Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times faster than other toothpastes. How would you design a controlled experiment to test Dr. Sullivan's hypothesis?
Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times faster than other toothpastes. How would you design a controlled experiment to test Dr. Sullivan's hypothesis?
Dr. Pamela Sullivan claims that her new toothpaste whitens teeth five times faster than other toothpastes. How would you design a controlled experiment to test Dr. Sullivan's hypothesis?

Explanation / Answer

Take a randomly selected group of people (age matched ; having a similar diet). Divide them info 2 groups - give dr. Sullivan's new toot paste to group 1 and let the other group continue using their own toothpaste. Click images of everyones teeth before and after the experience (1 month). Compare the the whiteness of each individual before and after from their images. If you observe increased whiteness in group 1 as compared to group 2 then dr. Sullivan's hypothesis shall stand otherwise call.

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.