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Overcoming Obstacles to Deriving Sample Size Calculations: Experiences of a Biostatistician

Case
By: Published: 2020 | Product: SAGE Research Methods Cases: Medicine and Health
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Abstract

Justifying the sample size of research studies in the health sciences is usually accomplished by means of a formal sample size calculation. However, developing these is not always easy and sometimes the sample size that comes out is unreasonably high. In this case study, I suggest some strategies that can be used to overcome problems with conducting sample size calculations, from the perspective of a consulting statistician.

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