Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 11: Correlation and Regression, Section 01: The Correlation Coefficient. It explains how the Pearson product moment correlation coefficient, or r, can be used to describe the linear association between two quantitative variables. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.