Training

All study personnel who interact with human research participants, participate in an intervention with human research participants or who access private, identifiable information about participants must complete required training through the Collaborative Institutional Training Initiative (CITI).

CITI Human Subjects Research Training Course is a self-paced web-based training covering core ethical concepts and regulatory requirements. Purdue University requires all individuals engaged in the conduct of human subject research to have current CITI certification, which must be updated by a refresher course after 4 years.

PERA Training

Short videos demonstrating specific PERA steps on topics such as Create a New Study, Study Modifications, Responding to Clarifications and many other PERA activities.

Written Instructions on different topics such as Create a new Study, Study Modification, Responding to Clarifications and many other PERA activities

OHRP Training

The Office of Human Research Protections (OHRP), within the U.S. Department of Health and Human Services (HHS), offers a variety of free online trainings for the research community on human research protections based on the principles of the Belmont Report and the requirements of the revised Common Rule (or 2018 Requirements).

OHRP Human Research Protection Training

Online CITI Training

The CITI Human Subjects Research Basic Course is required for all investigators and study personnel (i.e., Users) who have not previously completed a CITI human subjects research course.

At a minimum, you must complete one of the following in CITI:

  • Biomedical Research for Investigators and Key Personnel Learner Group
  • Social Behavioral Research for Investigators and Key Personnel Learner Group

You do not need to complete the entire Course in one session. Re-enter as often as you like, using your username and password, to complete the training.

You must complete all required modules with a cumulative score of 80% or better to pass the course.

Online CITI Webinars

CITI Program offers many recorded webinars on a range of topics of interest to Purdue researchers engaged in human subjects research. These are available at:

CITI All-Access Webinar Package

Please see our quick reference guide for help accessing the webinars.

Last modified: Mar 23, 2026

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