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Question 5 / 7:  How does increasing the sample size affect the power of the study?
Answer: 
Increasing the sample size increases the power of the study. In the notes, you’ll see that studies with large sample sizes have high power to detect effects or differences. We’ll talk more about this in the following lecture.
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Epidemiology Sampling & Confidence Intervals

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Attribution:  Janet, E.A. Forrester, Kwan Ho Kenneth Chui, Steven Cohen, Michael D. Kneeland, Alice Tang, David Tybor. Epidemiology and Biostatistics 2010. (Tufts University OpenCourseWare), http://ocw.tufts.edu/Course/65/ (Accessed 3 May, 2014). License: Creative Commons BY-NC-SA
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