If you're involved with research, then you'll know how important it is to make sure that a study is correctly powered. This video examines the relationship between study power and sample size. Sample size calculations need to ensure that the study includes enough participants to identify meaningful changes that are statistically significant.

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This channel posts global health and public health teaching videos and videos about how to find the right job in global health. If you haven't already, please consider subscribing to this channel and becoming part of this community. The channel also provides teaching on research methods, statistical analysis and how to write and publish a scientific paper.

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