Each student drove round the virtual streets of Chicago while listening to different pieces of music, or none at all. The students had an average of seven years’ driving experience.
Brodsky chose music with a variety of styles, ranging from laid-back George Benson ballads to the ultra-fast numbers beloved of clubbers. The tempo ranged from a slow 60 beats per minute up to a fast and furious 120 beats per minute or more. All the music was played relatively loudly to maximize its effect.