How to counter-balance an experiment with List objects.
Chapter 5 of the E-Prime short course of Andy's Brain Book: https://tinyurl.com/y5qmw5ay
0:02 Overview of counter-balancing
0:43 Creating a counter-balanced List object
1:45 Updating the Instructions screen to reflect the counter-balanced conditions
2:13 Replacing List values with counter-balanced attributes
