Cocktail party effect: In a dichotic listening task, it is found that people often recognize their own names from the unattended channel even though they were keeping up with the other one
Driving Studies: Show that when trying to talk on the phone and do a task similar to driving, there are many mistakes in the task when the participant is on a phone call, or delayed reaction time
When listening to the radio there were much fewer errors
Having a passenger does not show similar results to a cell phone as they likely share joint attention