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
A two-hour video lecture on sampling and sample size with a focus on cluster designs.Watch the video lectureWhat the lecture offersThe resource is a…
University of Oklahoma Health Sciences Center sample size justification lecture
A recorded lecture on the basic concepts of power and sample size for experimental studies.Watch the lectureSlides PDFWhat the lecture offersThis…
University of California-Davis sample size and power lecture
A one-hour video lecture on the importance of sample size and what information is needed to calculate sample sizes.Watch the lectureSlides PDFWhat…
University of Alabama-Birmingham power, type II error and sample size lecture
A 5:27 educational video to explain power in study design.Watch the videoWhat this resource offersThe resource is a Youtube video of Powerpoint…
CRCAIH Methodology Core sample size calculations webinar
A 35-minute webinar on sample size calculations for grant applications.Watch the webinarWhat the webinar offersThis resource provides a thirty-minute…
UCLA IDRE Statistical Consulting’s Introduction to Power Analysis webpage
An accessibly-written webpage about the fundamentals of power and sample size.Read: Introduction to power analysisWhat the resource offersThis…