Helena Plass Stifelman's IxDF Masterclass Certificate: How to Get Started with Usability Testing
The Master Class certificate below verifies that Helena Plass Stifelman has participated in the Master Class How to Get Started with Usability Testing.
About the Interaction Design Foundation
With 1,209,559 enrollments, the Interaction Design Foundation is the biggest online design school globally. We were founded in 2002. Every member is awarded a Course Certificate (with its own unique permanent URL) once they complete a course with us.
