The five Thomas-Kilmann conflict modes: a primer
Competing, collaborating, compromising, avoiding and accommodating: Kenneth Thomas and Ralph Kilmann mapped five ways people handle conflict. Knowing when each one helps, and when it costs you, changes how you manage disagreement at work.
Conflict at work is unavoidable; handling it badly is not. In the 1970s, Kenneth W. Thomas and Ralph H. Kilmann described a model of conflict-handling behaviour that remains one of the most widely used in management development. It maps two dimensions against each other: assertiveness, the extent to which you try to satisfy your own concerns, and cooperativeness, the extent to which you try to satisfy the other person's. Where the two dimensions meet, five distinct ways of responding to conflict emerge.
A note on what this article is: the Thomas-Kilmann Conflict Mode Instrument (TKI) is a proprietary published assessment. This article describes the underlying ideas in general terms, reproduces no assessment content, and is not affiliated with or endorsed by the instrument's authors or publisher.
The five modes
Competing
Competing is assertive and uncooperative: you pursue your own concerns at the other person's expense. It has genuine uses. When a decision is urgent, when decisive action is needed in an emergency, or when an unpopular but necessary call has to be made, competing gets you there quickly. The cost comes afterwards, and it is worth asking the question directly: how will the person who lost feel, and what happens to your working relationship with them? Win too often and people stop bringing you problems, disagreements and, eventually, information.
Collaborating
Collaborating is assertive and cooperative: both people work to find a solution that genuinely satisfies the concerns on both sides. It produces the strongest long-term outcomes because it addresses the underlying issue rather than the surface dispute, and it tends to strengthen the relationship rather than strain it. Its price is effort: collaboration takes more time and more goodwill than any of the other modes, which is exactly why it is underused.
Compromising
Compromising sits in the middle on both dimensions: each side gives ground to reach an acceptable, if not ideal, outcome. It is quicker than collaboration and fairer than competition, which makes it useful when time is short, when both parties hold similar power, or when the stakes do not justify a longer process. Its weakness is that nobody's concerns are fully met, and reaching for a quick split-the-difference deal can close off a better solution that genuine collaboration would have found.
Avoiding
Avoiding is unassertive and uncooperative: you sidestep the conflict, postpone it or withdraw from it altogether. There are moments when that is sensible, when an issue is genuinely trivial, or when tempers are high and a short cooling-off period will make the eventual conversation better. As a habit, though, avoidance is the weakest of the five modes: both sides lose, nothing is resolved, and the underlying problem is still there waiting, usually having grown.
Accommodating
Accommodating is unassertive and cooperative: you set aside your own concerns and yield to the other person's. It preserves harmony in the short term, and it is the right call when you discover you were wrong, or when the issue matters far more to the other person than it does to you. But if you accommodate instead of dealing with an issue, you lose, and the issue survives. For managers there is a further cost worth weighing honestly: repeated accommodation erodes your credibility, because people learn that pushing hard enough always works.
Not a personality test
Thomas and Kilmann were clear that these modes describe behaviour, and behaviour moves with the situation. Nobody is simply "a competer" or "an avoider" as a fixed trait; the same person may collaborate with a trusted colleague in the morning and avoid a difficult stakeholder in the afternoon. Most of us do have habitual preferences, often shaped by what felt safe earlier in our careers, and the value of the model is that it makes those habits visible enough to question.
Choosing deliberately
The practical discipline the model teaches is to choose your response rather than default to it. Collaboration is usually, though not always, the best long-term option: it is the mode that balances assertiveness and cooperation, resolves the underlying issue, and leaves the relationship stronger. The honest follow-up question is when collaboration would not be the right choice, and the clearest answer is urgency: when a decision is needed now and there genuinely is no time to build consensus.
Before your next difficult conversation, it is worth asking three questions. What does the other person need from this? What do I need? And which of the five responses am I about to reach for out of habit rather than choice?
The conflict-mode model described here was developed by Kenneth W. Thomas and Ralph H. Kilmann.
Go deeper
Our Managing Difficult Conversations: Part One course puts this model to work in real workplace situations: what makes conversations difficult, why we avoid them, how to manage conflict well, and how to hold a conversation that resolves something. Completing it certifies you at Promoting Excellence Introductory Level, and leads into the Master Level follow-on course.