Collaborating (assertive and cooperative)
Work the underlying interests until you find a solution that genuinely meets both sides’ needs.
Key takeaways
- What it is: Work the underlying interests until you find a solution that genuinely meets both sides’ needs.
- Why it works: Collaboration maximizes both axes: you hold your own needs firmly while fully engaging theirs, digging beneath stated positions to the underlying interests where creative, mutual-gains solutions live. It produces the best outcomes and strongest relationships but costs the most time and trust, so it’s reserved for issues important enough — and relationships durable enough — to justify the investment.
- Evidence: Backed by observational / correlational evidence.
- Avoid: Calling a quick compromise "collaboration" — splitting the difference on positions without ever exploring the underlying interests where the real win-win lives.
Why it works
Collaboration maximizes both axes: you hold your own needs firmly while fully engaging theirs, digging beneath stated positions to the underlying interests where creative, mutual-gains solutions live. It produces the best outcomes and strongest relationships but costs the most time and trust, so it’s reserved for issues important enough — and relationships durable enough — to justify the investment.
How to do it
- 1Surface the interests behind each position ("why does that matter to you?"), not just the demands.
- 2Treat it as a shared problem to solve together rather than a contest to win.
- 3Invest the time — collaboration fails when rushed into a disguised compromise.
What the evidence says
ObservationalThe collaborating/integrating mode aligns strongly with interest-based negotiation research (the integrative, mutual-gains approach), which has real support for producing better joint outcomes than positional bargaining. The TKI label itself is from a self-report model.
Honest caveat: Collaboration is costly and not always warranted; on trivial or time-critical issues it’s overkill, and it requires good faith from both sides.
- — Fisher & Ury, "Getting to Yes" — interest-based (integrative) negotiation; negotiation research on integrative vs. distributive outcomes
Common mistake
Calling a quick compromise "collaboration" — splitting the difference on positions without ever exploring the underlying interests where the real win-win lives.
IX Coach helps you dig past positions to interests and structure a genuine mutual-gains conversation, so collaboration doesn’t collapse into a rushed compromise.
Practice this with IX Coach →