P.A.R.R.—The Scientific Method for Habit Development and Behavior Change

Fifteen years later, things are starting to feel a little uncomfortable. The scientific method— common sense codified— is used for everything under the sun: Marketing? A/B tested. Ads? Split tested. Vaccines. Test Immune Response. Water Purification. Pasteurization Fertilizer. Identify Kill Bacteria Space travel? Rocket science. The scientific method dates back to the 16th and 17th centuries, with…