"Research shows that we have greater success with the habits we track. For example, a Harvard Business School study of 2,943 households across West Bengal found that families who were told their soap consumption would be tracked were 23 percent more likely to use soap when washing their hands." Excerpt from: Layne, Erica. The Minimalist Way: Minimalism Strategies to Declutter Your Life and Make Room for Joy (p. 39). Sourcebooks. Kindle Edition.