Power and Sample Size

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 a Youtube video of narration and powerpoint slides.

Who is this resource for: Researchers new to study design

Who created this resource: Terry Shaneyfelt, MD, MPH, Associate Professor, UAB School of medicine. Education content from the author is curated at his blog.

What does this resource offer: The resource is a Youtube video of Powerpoint slides with narration.

Timestamp Topic

  • 0:15 Beta / Type II Error
  • 1:38 Power
  • 2:25 Determinants of sample size
  • 4:00 Power as a function of effect size and sample size