Five Whys Root Cause Analysis Training Online

20 minutes
Course Cost: 
Course mode: 

Intended Audience

This course is recommended for all University personnel, and especially supervisors who are responsible for investigating the root cause of employee injuries, illnesses, exposures, fires, and near misses so preventative measures can be implemented to prevent recurrence.


This course covers how to use the Five Why Technique to identify the root causes of accidents, incidents, or near misses so we can prevent recurrence. It also includes how to document incident investigations in the Online Accident Reporting System (OARS).

Related Links

WAC 296-800-320

UW Incident Reporting

Accommodations and language services

The University of Washington is committed to providing access, equal opportunity, and reasonable accommodations to individuals who need them.

  • To request a disability accommodation, please contact the UW Disability Services Office at 206-543-6450 (V), 206-543-6452(TTY), or email at
  • To request safety training in a language other than English, please contact EH&S training at and notify your supervisor. EH&S will work with you and your supervisor to arrange for interpretation or translation services.
  • For other accommodation requests, please contact EH&S Training at


EH&S Training Contact

(206) 543-7201