Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 02: Distributions, Section 03: Pie Charts. It explains the elements of pie charts and the problems they often have, concluding that pie charts should generally be avoided as a form of data visualization. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.