I've recently been using Jeff Sutherland's extended version of Bas Vodde's "Nokia Test" to help Scrum teams identify room for improvement in their implementation of Scrum.

Here's Jeff's version: http://jeffsutherland.com/scrum/scrumbutttest.pdf

I've extended the test with 3 questions covering:

• Where the team members sit
• Team stability
• Generalization/specialization

In my experience these are additional important factors indicating the quality of a team’s Scrum implementation

Remember that the test is intended for helping teams to improve, not for comparing teams!

Slides describing the 11 questions and notes for facilitators are attached in Powerpoint and Keynote formats.