Dr. Lianne Lefsrud, Ph.D, P.Eng.

Engineering Safety and Risk Management, Faculty of Engineering
12-287 Donadeo Innovation Centre for Engineering 9211 116 Street, Edmonton, T6G 1H9

Phone: 780.492.8351 (office) | 780.951.3455 (mobile)  |  LinkedIn |  Twitter


Humanity’s degree of seperation is how many people a message would need to pass through on average to connect any 2 people on Earth. Studies found it was ~6 for letters.

A 2003 study found it was 5-7 on email

Facebook work found that online it is now 3.57 & dropping.

Congratulations to PhD student Michelle Naef @BornforBarn for winning an @EngineersCanada- @Manulife Scholarship to examine the process safety!

How does the structure of a #process #safety information system affect the quality of decisions made by users? @UAlberta_Eng @UAlberta