Celebrating 50+ Years of the Thomas-Kilmann Instrument (TKI) 

Since 1974 (when this assessment was first published), more than 10 million TKIs have been purchased worldwide!

Kilmann Diagnostics Offers You the Most

Informative Resources for Celebrating the

TKI’s 50th Year

If you want to read the most up-to-date and comprehensive information about this assessment tool in one single document, consider purchasing Ralph Kilmann’s TKI Book (just published in June 2023): Mastering the Thomas-Kilmann Conflict-Mode Instrument: Celebrating More Than 50 Years of Resolving All Kinds of Conflicts.

Cover TKI Book

The Best Tips for
Using the TKI Tool
Most Effectively

For the TKI’s 50th Anniversary Celebration, Ralph Kilmann updated a previous article on the TKI: “16 Tips for Using the TKI Tool for Developing People and Facilitating Conflict Management.”  This article is the most concise summary for using this assessment tool most effectively in all kinds of conflict situations.

Cover of 16 Tips

Additional
Resources for
Learning More
About the TKI and
Conflict Management

Click to see Ralph Kilmann’s 35 ARTICLES and 65 BLOGS and 20 VIDEOS about the Thomas-Kilmann Instrument. And here are the classic 12 FAQs About the TKI Assessment … with his thoughtful answers.

Podcast with Pete Mockaitis

Take Our Three TKI-Based Online Courses to Earn Your TKI Certification

If you want to learn more about conflict management and the Thomas-Kilmann Instrument, you can purchase and take any one of the three separate online courses: BASIC Training, GROUP Training, and ADVANCED Training in Conflict Management.

If you want to become TKI Certified, you can purchase and take The TKI Package of all three online courses on conflict management and then pass the three Final Exams.

The Thomas-Kilmann Instrument Package of Courses