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elena-14-01-66 [18.8K]
3 years ago
11

Katherine is a researcher who is interested in examining the effect of caffeine on driving performance. in order to rule out a c

hange in behavior brought about because of participants' expectations about the effect of caffeine, she should use a(n) _____.
Social Studies
1 answer:
lys-0071 [83]3 years ago
4 0
<span>A placebo would be the best route to a complete non bias research method. A placebo would allow participants to be a part of the active research without having preconceived notions. This would allow the examination of results of caffeine on driving performance to be performed without any tell-tell, hints or hypochondriac participants.</span>
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