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.
Answer: A
Psychology
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Fill in the blank(s) with the appropriate word(s).
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