The Dual Concern Model: Assertiveness vs. Cooperativeness in Negotiation
The most widely used framework in negotiation research is the dual concern model, which organises negotiation styles along two axes: assertiveness (concern for one's own outcomes) and cooperativeness (concern for the other party's outcomes). The four resulting quadrants, competing, collaborating, accommodating, and avoiding, each predict different negotiation behaviours and outcomes.
Personality is usually assumed to map onto this framework in the obvious way, with high Presence (Extraversion) and low Bond (Agreeableness) on the assertive side and high Bond on the cooperative side. Treat that as the theory's prediction rather than as a measured finding: it is the mapping the model implies, not a coefficient anyone has established. What the outcome data do show is that being at an extreme of either dimension is not what distinguishes effective negotiators.
This is the central insight that naive trait-based accounts of negotiation miss: raw assertiveness does not win negotiations. Sophisticated negotiators know when to compete, when to collaborate, when to accommodate strategically, and when to take a break. This contextual flexibility requires not just the right trait profile, but the self-awareness to recognise which mode the situation calls for.
Understanding your own profile across the five dimensions is the prerequisite for this kind of flexibility, see the 12 Cèrcol team roles explained for how trait combinations translate into team behaviour patterns, some of which map directly onto negotiation styles.
Extraversion and Negotiation Confidence: Bold Openers and Their Limits
High Presence (Extraversion) confers real interpersonal advantages in negotiation contexts: verbal fluency, comfort with interpersonal pressure, willingness to make assertive opening offers, and resilience when the negotiation becomes adversarial. Extraverted negotiators are less likely to concede early out of discomfort with silence or tension.
What that does not do is put more money on their side of the table. In the study that first tested the full five-factor model in bargaining simulations, Extraversion correlated −0.26 with the buyer's own economic gain, and the effect was strongest among negotiators who had not set an ambitious target beforehand (doi:10.1037/0022-3514.74.2.345).
"The authors hypothesized and found evidence that Extraversion and Agreeableness are liabilities in distributive bargaining encounters."
- Barry & Friedman (1998), abstract
The plausible mechanism is overconfidence. High-Extraversion negotiators may rely too heavily on social performance, charm, assertiveness, verbal dominance, and underinvest in the analytical preparation that creates genuine negotiation power. The well-prepared introvert with a detailed understanding of BATNA (Best Alternative to a Negotiated Agreement), reservation prices, and the other party's interests is not fighting an uphill battle here.
For a deeper account of how Extraversion shapes professional behaviour beyond negotiation, see what is Extraversion, beyond the introvert–extrovert binary.
Agreeableness and Concession-Making: Why High-Bond Negotiators Leave Money Behind
Bond (Agreeableness) is the trait most often blamed for negotiation vulnerability. High-Bond individuals dislike interpersonal conflict, value harmonious relationships, and find the assertive pressure of negotiation genuinely uncomfortable. The folk account translates that into concrete behaviours: earlier concessions, larger concessions, lower opening offers, and premature acceptance of proposals that fall short of what was achievable.
The measured picture is more conditional. In Barry and Friedman's simulations the simple correlation between Agreeableness and economic gain was close to zero (−0.07 for buyers, −0.06 for sellers). The disadvantage showed up as an interaction: personality effects were more pronounced in the absence of high aspirations (doi:10.1037/0022-3514.74.2.345). A later two-study test reframed the same result as person-situation fit, finding that negotiators high in Agreeableness were best suited to integrative negotiations and negotiators low in Agreeableness were best suited to distributive ones (doi:10.1037/a0025706). For the full research base on what Agreeableness costs in competitive professional contexts, see what is Agreeableness, the cooperative dimension.
So the honest version of the claim is narrower than the popular one. High Bond is not a general handicap at the table. It is a poor match for the purely distributive part of a negotiation, and the mismatch is largest for people who walked in without a target.
That points at a structural remedy rather than a dispositional one: prepare assertive positions in advance, set explicit floors and ceilings before entering the conversation, and rely on pre-committed standards rather than in-the-moment judgment about what feels fair. This converts the negotiation from a live emotional experience, which high Bond makes difficult, to the execution of a pre-made plan. It is also the intervention the aspiration finding most directly supports.
Conscientiousness and Preparation: The Negotiation Advantage of Discipline
Preparation is the part of negotiation where Discipline (Conscientiousness) ought to matter most. High-Discipline negotiators research their counterpart's interests, establish their own reservation price and BATNA before entering, identify potential issues beyond the primary one (creating room for log-rolling and value creation), and document agreements precisely.
The evidence for that ought is thin, and it is worth saying so plainly. Barry and Friedman reported that, contrary to predictions, Conscientiousness was generally unrelated to bargaining success; at the dyad level it correlated −0.10 with joint utility and 0.01 with integrativeness (doi:10.1037/0022-3514.74.2.345). The recent review of individual differences reaches the same conclusion and offers the most likely explanation: Conscientiousness has had no documented influence, but most of the research has been conducted in laboratory settings where preparation is constrained (doi:10.1177/0963721414558114).
That is a genuine gap rather than a refutation. A simulation that hands both parties the same briefing packet twenty minutes before the exercise has designed away the advantage Discipline is supposed to confer. Until field studies close that gap, the preparation story is a reasonable hypothesis, not a finding.
| Big Five trait | Cèrcol name | Negotiation strength | Negotiation risk |
|---|---|---|---|
| Extraversion | Presence | Opening offer confidence, pressure tolerance, verbal fluency | Measured liability in distributive bargaining, overconfidence, under-preparation |
| Agreeableness | Bond | Relationship building, trust creation, better suited to integrative encounters | Poor fit for distributive encounters, especially without a pre-set target |
| Conscientiousness | Discipline | Preparation quality, follow-through, precise documentation | No documented effect on laboratory bargaining outcomes |
| Neuroticism (low) | Low Depth | Threat regulation, composure under pressure, patience | |
| High Neuroticism | High Depth | Threat response escalation, harder BATNA assessment under pressure | |
| Openness | Vision | Willingness to reframe and generate options | No measured advantage for joint outcomes |
Neuroticism and Threat Response: How Anxiety Undermines Negotiation
Depth (Neuroticism) is usually described as shaping negotiation behaviour through the threat-response mechanism. Negotiations routinely involve pressure, ambiguity, and moments of interpersonal friction, the exact conditions that activate stress responses in high-Depth individuals. Under activation of the threat system, attention narrows, time horizons shorten, and the cognitive bandwidth needed for strategic thinking diminishes.
This is a mechanism story, and it should be labelled as one. In the bargaining data, emotional stability was essentially unrelated to economic gain for both roles (doi:10.1037/0022-3514.74.2.345), so the widely repeated claim that anxious negotiators systematically concede more is not something the outcome research has established. What is documented is the more general finding that traits shape how negotiators feel about an encounter far more reliably than what they extract from it (doi:10.1177/0963721414558114).
The practical intervention for high-Depth negotiators parallels that for high-Bond negotiators: externalise the decision-making as much as possible through advance commitment. Set your floor before entering. Define the conditions under which you will accept or reject a proposal. Treat the negotiation as execution of a previously made decision rather than a live emotional assessment. This reduces the surface area over which threat activation can corrupt the process, whatever its size turns out to be.
The same avoidance-motivation pattern that makes high-Depth individuals uncomfortable under negotiation pressure also shapes how they communicate and receive feedback, see personality and communication style, direct vs diplomatic for how this plays out across different interaction contexts.
Openness and Creative Problem-Solving in Integrative Negotiation
Vision (Openness) is the trait most often credited with producing creative, integrative agreements. Many negotiations that appear to be zero-sum, fixed-pie, are actually integrative: there are ways to expand the value available by combining issues, sequencing concessions strategically, or finding solutions that were not on the original table. Discovering those solutions requires thinking flexibly about the problem and reframing the situation in ways that reveal previously invisible value, which sounds exactly like Openness.
The data do not cooperate. In the one study to test it directly at the dyad level, aggregated Openness correlated −0.31 with the integrativeness of the settlement, a negative relationship, and 0.01 with joint utility. What predicted integrative outcomes was cognitive ability: 0.40 with joint utility and 0.50 with integrativeness (doi:10.1037/0022-3514.74.2.345). The broader review agrees that abilities, not traits, are what reliably improve win-win outcomes (doi:10.1177/0963721414558114).
The honest reading is that expanding the pie looks like a problem-solving task rather than a personality one. It is about how the parties engage with the structure of the problem, not how curious or imaginative they are. High-Vision negotiators may well ask "what if we approached this differently?" more often. Asking the question is not the same as finding the answer.
Why Low Agreeableness Alone Doesn't Win Negotiations
A persistent misconception in the popular negotiation literature is that toughness, low Agreeableness, assertiveness, willingness to walk away, is the primary determinant of negotiation success. The research does not support this either.
Low Bond suits distributive encounters and high Bond suits integrative ones (doi:10.1037/a0025706), which means neither is an all-purpose advantage. The negotiation literature distinguishes between claiming value and creating value; the most skilled negotiators do both, in the right sequence, and low Bond by itself helps only with the claiming, in the encounters that are purely about claiming.
What Personality 'Disadvantaged' Negotiators Can Actually Do
The practically important question for many readers is not what personality traits predict negotiation success in the aggregate, but what people with an unhelpful profile for a given encounter can do about it.
Here the research is unusually encouraging, because the factors with the strongest documented effects are the changeable ones. The review of individual differences reports that positive expectations and comfort with negotiating are the most reliable predictors of performance, and that self-efficacy had the strongest effect of any single variable tested across all categories of individual difference (doi:10.1177/0963721414558114). Alongside that sits the aspiration finding: personality effects on bargaining outcomes were more pronounced in the absence of high aspirations (doi:10.1037/0022-3514.74.2.345). Setting an ambitious, specific target before you walk in is the closest thing the literature offers to a dispositional equaliser.
So the advice for the high-Bond negotiator who commits to specific floors before the conversation, or the high-Depth negotiator who builds in a break before any final commitment, is not that these tactics have been shown to close a measured performance gap. It is that the traits themselves matter less than the preparation, the target, and the expectation you bring, and those three are yours to set.
This kind of profile-informed preparation is exactly what personality coaching, using Big Five as a development tool trains people to do. And because negotiation outcomes are influenced by both parties' profiles and by the fit between disposition and situation, being able to read the encounter matters as much as knowing yourself, see self-other agreement in Big Five, where the gaps are biggest for how perception and reality diverge in ways that matter at the table.
Know Your Negotiation Style Before You Sit Down
Every negotiation involves two personality profiles, not one. Understanding your own default tendencies, where you are inclined to over-concede, where you under-prepare, where discomfort narrows your thinking, is a structural advantage that no amount of in-the-moment improvisation provides.
Cèrcol maps your Big Five profile across Discipline, Presence, Bond, Depth, and Vision, showing you where your negotiation tendencies are likely to help and where they are likely to cost you. Take the free assessment at cercol.team and identify your profile before your next important negotiation. If you work in a team where internal negotiations are as consequential as external ones, understanding your colleagues' profiles adds another layer of strategic awareness that most teams never develop.
Further reading: Agreeableness at work: the hidden cost of being too nice · Personality and decision-making: how Big Five shapes judgment
Sources
- Barry, B., & Friedman, R. A. (1998). Bargainer characteristics in distributive and integrative negotiation. Journal of Personality and Social Psychology, 74(2), 345–359. doi:10.1037/0022-3514.74.2.345
- Dimotakis, N., Conlon, D. E., & Ilies, R. (2012). The mind and heart (literally) of the negotiator: Personality and contextual determinants of experiential reactions and economic outcomes in negotiation. Journal of Applied Psychology, 97(1), 183–193. doi:10.1037/a0025706
- Elfenbein, H. A. (2015). Individual differences in negotiation: A nearly abandoned pursuit revived. Current Directions in Psychological Science, 24(2), 131–136. doi:10.1177/0963721414558114