The world’s best-selling conflict management tool

The TKI (Thomas-Kilmann Conflict Mode Instrument) is fast and accessible, delivering insight, empowerment and resolution to anyone involved in conflict. By identifying alternative conflict styles, it helps people reframe and defuse conflict, creating more productive results.

TKI and conflict resolution

TKIThe TKI questionnaire identifies five distinct conflict styles and provides people with conflict-management solutions. By helping individuals understand their default approach in conflict, it encourages the exploration of alternative ways to handle different situations. And although it’s sophisticated, you don’t need to be an expert in conflict resolution theories to use it.

  • No prior knowledge or expertise necessary; suitable for line managers and team members as well as L&D professionals
  • Fast and accessible – simple to apply, easy to understand
  • An efficient and economic in-house solution, saving time and money
  • Immediate, actionable results that transform potentially damaging conflict to foster constructive difference
  • Increases productivity by reducing wasted time and preventing damage to working relationships
  • Avoids the costly legal repercussions of workplace conflict
  • Wide application – can be used for teams and individuals alike

TKI – key features

  • Delivers results you can trust, with a raft of research backing up its conflict-management potential
  • Measures individuals’ and groups’ approaches to conflict against five conflict handling modes
  • Identifies preferred responses to conflict and how this affects conflict outcomes
  • Provides specific tactics for conflict resolution
  • Creates a positive and constructive environment, for teams and individuals alike

The TKI tool generates a Profile and Interpretive Report, addressing conflict swiftly and productively.

What does the TKI measure?

The TKI measures preferences for five different styles of handling conflict, called conflict modes, which are described along two dimensions: assertiveness, or the extent to which a person tries to satisfy their own concerns; and cooperativeness, or the extent to which they try to satisfy the concerns of another person.

The TKI conflict styles

How do I buy the TKI?

If you would like to start using the TKI questionnaire and report, set-up is quick and simple, as no qualifications are required. Just call our Customer Services team on 01865 404 610 to get started.


  • Conflict management
  • Coaching
  • Team development

TKI is fantastic for helping people to understand where the issues are in relationships. It’s wonderfully practical to use – you don’t have to be certified to use it – and people ‘get it’ very, very quickly.

Michael BrownL&D Consultant. Michael Brown

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Become an expert: discover TKI Conflict Management training

TKI - Thomas-Kilmann Conflict Mode Instrument

Watch this short video to find out more about the TKI instrument

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Popular Reports

TKI Profile and Interpretive Report

TKI Profile and Interpretive Report

This Profile and Interpretive Report for the Thomas-Kilmann Conflict Mode Instrument presents TKI results in an easy-to-understand format.Based on the respondent’s particular approach to conflict, the report offers specific suggestions to help them understand the pros and cons of each of the TKI conflict-handling modes, with suggestions for alternative approaches that will help them achieve more positive outcomes from workplace conflict. The report looks in particular at the individual’s ‘default’ approaches to conflict situations, and makes them aware of where this approach might be more or less useful. It concludes with stimulating questions for ongoing reflection and action planning.

TKI Profile and Interpretive Report