Strayer and Johnston's (2001) experiment involving simulated driving and the use of "hands-free" versus "handheld" cell phones found that
A) talking on either kind of phone impairs driving performance significantly and to the same extent.
B) driving performance was impaired only with the handheld cell phones.
C) driving performance was impaired less with the hands-free phones than with the handheld phones.
D) divided attention (driving and talking on the phone) did not affect performance.

Question

Quizplus · Accepted Answer

Strayer and Johnston's (2001) experiment found that talking on both hands-free and handheld cell phones significantly impairs driving performance to the same extent, highlighting the issue is the cognitive distraction, not just the physical aspect of holding the phone.

Strayer and Johnston's (2001) Experiment Involving Simulated Driving and the Use