In a study of the effects of music tempo (as measured in beats per minute, or bpm) during exercise, participants rode a bicycle for 30 minutes while listening to Beyoncé’s “Irreplaceable” (88 bpm) continuously. Researchers anticipated that when participants performed the same activity the following day while listening to Led Zeppelin’s “Rock and Roll” (169 bpm), they would ride more quickly. Participants’ performance on the second day, however, may have been negatively affected by tiredness from the first day. Thus, __________
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Verbal·Information and Ideas·Inferences
mediumWhich choice most logically completes the text?
A
participants’ prior familiarity with the songs may have contributed to differences in performance over the two days.
B
the researchers were unable to accurately measure how quickly participants rode on the second day.
C
participants demonstrated a preference for one song over the other.
D
the results from the second day may lead to an underestimation of the effect of the faster song.