Power and Sample Size Concepts

These resources explain the concepts of power and sample size and what they depend on.

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The Abdul Latif Jameel Poverty Action Lab’s sampling and sample size lecture
Description: A two-hour video lecture on sampling and sample size with a focus on cluster designs. Link: Video lecture: Sampling and Sample Size…
University of Oklahoma Health Sciences Center sample size justification: lecture slides
Description: Slide deck on the basic concepts of power and sample size for experimental studies. Link: Sample Size lecture slide deck  Who is this…
University of Alabama-Birmingham power, type II error and sample size lecture
Description: A 5:27 educational video to explain power in study design. Link: Video: Power, Type II error, and Sample Size Format: The resource is…
CRCAIH Methodology Core sample size calculations webinar
Description: 35-minute webinar on sample size calculations for grant applications. Link: Webinar: Sample Size Calculations Who is this resource for…
UCLA IDRE Statistical Consulting’s Introduction to Power Analysis webpage
Description: Accessibly-written webpage about the fundamentals of power and sample size. Link: https://stats.idre.ucla.edu/other/mult-pkg/seminars/…
University of California-Davis sample size and power lecture
Description: One-hour video lecture on the importance of sample size and what information is needed to calculate sample sizes. Link: Video lecture:…