Negotiation Learning PlatformBMS5410 · NUS · AY2026/27 SEM 1
Module 10 of 12 · Integrative practice · Journal Part 17

Full Property Negotiation Simulation

The full branching simulation: a seller asks S$1.80m. Prepare, then make six decisions. After each, the coach links you to the concept and Journal Part. The debrief scores People, Substance and Process and can be saved to your Reflection Log.

All modulesPrep checklist + 6 decisions3 seller profilesPeople / Substance / Process scoresPersonal Rule #17Journal Part 17Journal Part 14Journal Part 15

Interactive formats on this page: branching simulation (prep checklist + 6 decisions, 4×3×3×3×3×4 paths), seller-persona randomisation, optional blind mode, scored debrief with decision audit, save-to-log, 5-question post-run quiz.

After this module you should be able to:

  • Apply preparation, diagnosis, listening, value creation, criteria, process and package design in one continuous negotiation.
  • Experience how early choices change later options and the debrief scores.
  • Compare two runs by path, not only by score.
  • Critically evaluate the simulation's own scoring assumptions.
  • Record a structured reflection linked to Journal Parts.

The decision tree I find hardest in real life (from Journal Part 17):

  • Step 1 — "S$1.80m is my absolute minimum." Counter at S$1.70m → one-variable contest, nothing learned. Cite comparables at S$1.72m → some legitimacy, but she may feel argued with before being heard. Reveal BATNA and threaten → protection, but information exchange shrinks. Ask what matters apart from price → concede nothing and open the door to her interests.
  • Step 5 — "I need to discuss this with my spouse tonight." Demand acceptance → ignores a real decision-maker. "OK, let me know" → polite, but surrenders sequence. Clarify who approves, what they need, set a follow-up and summarise in writing → manages mandate and consolidates one text.

All property figures are illustrative and do not represent my real numbers.

Role: BuyerSeller ask: S$1.80mYour target: S$1.74mYour reservation point: S$1.78mBATNA: another unit at S$1.72mSeller profile: randomised each run
Preparation
Simulation step → theory → module → Journal Part
StepTheory testedModuleJournal
Prep checklist3 Dimensions / 10 Elements; BATNA valued, not only pricedModule 5Part 5, Part 16
1. Opening / DiagnosePositions vs interests; Ladder of Inference; anchoring; BATNA as discipline1, 2Parts 1–3, 10, 12
2. ListeningActive listening: restate, check, clarify; investigative negotiationModule 6Part 6, Part 2
3. ExpandBreak-Link-Overlap; mythical fixed pie; protect reservation pointModule 4Part 4, Part 11
4. CriteriaObjective criteria; framing; active speaking; credible commitments6, 8Part 7, Part 12
5. Process / stakeholdersMandate; parties away from the table; one-text consolidationModule 7Parts 8–9
6. Final packagePackage vs BATNA; conditional concessions; reservation discipline3, 4Parts 10–11
DebriefLearning from experience; what I got wrong; lab as reflection toolModule 12Parts 14, 15, 17

After your run — check what the simulation was testing

Does the lab teach my own biases? The lab is not a universal scoring model. Real negotiation is contextual, and the scores reflect my judgement of course concepts, not market truth. There are cases where an immediate, well-supported counter is right, and where the spouse genuinely prefers a fast yes. I try to mitigate this in three ways: the scoring explains why rather than only how much; the seller profiles vary; and the debrief asks the user to write what they would change in a real negotiation — which invites disagreement with the lab.

A further limitation: the seller is cooperative in every branch. A harder test of the same discipline would be a less cooperative seller or a weak BATNA (Part 15, "Where I am still unsure").

I assumed that being able to explain a concept meant I could use it. Building the lab showed me the gap: when the seller says "absolute minimum", the urge to counter is immediate. I now treat that urge as a signal to ask one more question — the behavioural change I took from Negotiation Genius.

My Personal Rule #17

If I can explain a concept, I understand it intellectually; if I can make a better decision under pressure and explain why, I am beginning to apply it.

  • Early diagnostic moves create the information that later package moves depend on.
  • A deal at your reservation point is agreement, not success.
  • The best response changes with the seller's interests — adapt the map, keep the discipline.
  • Compare runs by path tags and reasoning, not only by score.
  • Argue with the scoring: that is part of the reflection.
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