Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 05: z-Scores, Section 01: Calculating z-Scores. It explains how z-scores can function as a common metric or lingua franca for data and make it easier to interpret and compare scores from different scales. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.