Sanderson, Catherine A.: - Catherine A. Sanderson is the Manwell Family Professor in Life Sciences at Amherst College and the author of The Positive Shift: Mastering Mindset to Improve Happiness, Health, and Longevity. She has written five college textbooks, including Real World Psychology, and widely-taught middle and high school health textbooks. Sanderson lectures around the country and was chosen by Princeton Review as one of the best college professors in America. Her work has been featured in the Atlantic and Washington Post and on CBS and NBC.