Clinical Trials: Viva Bias

By |2020-09-23T09:45:38+02:00December 2, 2015|Case Studies|1 Comment

by Alexandra Grossman Alexander K. is a thoughtful man, mid-50s, a writer by profession. He earns money with German and English lessons, and it is almost always tight. "A few years ago, I was sitting in the subway and saw posters seeking volunteers for [...]