In this experiment, a photo of a doctor (who researched and created the a cleanising juice - the product) was appended after the add to cart button. The copy is translated as follows from "Von der promovierten Ernährungswissenschaftlerin Dr. Ulrike Fisher auf wissenschaftlicher Basis entwickelt." [German] -> "Developed by doctoral nutritionist Dr. Ulrike Fisher with a scientific basis." Impact on sales was measured.

In this product detail page experiment a simple subheadline was appended to a new product. The tagline read "Lose weight sustainably and healthily." (Google translated from German "Nachhaltig und gesund Gewicht verlieren."). Impact on sales and revenue was measured.

Does a "Bestseller" badge increase sales? This experiment tested exactly this by adding a visible badge on a juice cleansing product detail page.

In this experiment a juice cleanse product (developed by Dr. Ulrike Fischer) was supported with statements and visuals to reinforce her as a doctor and an authority figure. The control only referenced the product itself. Google translations include:

A) Headline: "Reset your body with a juice cleanse"

B) Headline: "The juice cleanse with a scientific basis" 

B) Listed out specific vitamins and supplements.

B) Added Subheadline: "Developed by Dr. Ulrike Fischer, who holds a doctorate in nutritional science"