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jlena jlena
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4 years ago
Juan wants to compare the effectiveness of two drugs in treating migraines. He administers Drug A to a participant and then Drug B to the same participant 8 hours later, when Drug A is still in the participant's system. In this case, the study is contaminated by a(n) ________ effect.

A. carryover

B. practice

C. order

D. fatigue
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Educator
4 years ago
(A) Carryover
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