Sample size and power

Upon completion of this module, you should be able to:

  • List the steps for estimating sample size for an analytic study
  • Explain other considerations in calculating sample size for analytic studies
  • List the steps for estimating sample size for descriptive studies
  • Identify strategies to minimize the required sample size
  • Explain other strategies for estimating sample size when there is insufficient information.

Written by:

Steven Cummings

Biography :

Steven Cummings is a professor of medicine at UCSF.


Accreditor credit Accreditation statement
BMJ Learning 1 credit, 1:00 hour BMJ Learning has assigned one hour of credit to this module
BMJ and UCSF 4 credits, 4:00 hours The BMJ and UCSF have assigned 4 hours of credit to this module.

Release date

04 Feb 2016

Last updated

04 Feb 2016