Chisholm, Caird, & Lockhart (2008) investigated the how the operation of an MP3 player (e.g., an iPod) impacts driving. They also investigated the effects of practice. What did they find?
a) Only difficult iPod tasks (e.g., finding a particular song) had a negative effect on driving.
b) Only difficult iPod tasks (e.g., finding a particular song) had a negative effect on driving, and the effects
diminished with practice.
c) Both difficult and easy iPod tasks had a negative effect on driving, and the negative effects of difficult iPod
tasks diminished with practice.
d) Neither difficult nor easy iPod tasks had a negative effect on driving,
Answer: d
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