HEXACO Personality Assessment and Team Cohesiveness: Building High-Performing Toronto Teams | Organizational Psychology

Toronto organizations increasingly recognize that technical skills alone don’t guarantee team success. The chemistry between team members—their ability to communicate effectively, coordinate efforts, support each other, and maintain cohesion under pressure—often determines whether projects soar or stall. The HEXACO personality model offers Toronto HR professionals and team leaders a scientifically validated framework for understanding how individual personality traits influence team dynamics, enabling data-driven approaches to team composition, development, and performance optimization.

 

The Team Performance Challenge in Toronto Workplaces

Recent 2026 workplace research reveals troubling trends: career opportunity ratings for remote and hybrid workers declined from 4.1 in 2020 to 3.5 in 2025, initiative has seemingly vanished with teams adopting “waiting for permission culture,” and small-scale organizational changes now represent 51% of workforce adjustments—up from 38% a decade ago (Happily.ai, 2025). These dynamics strain team cohesiveness, making personality-informed team management more critical than ever.

Toronto companies across industries—from tech startups in Liberty Village to financial services in the Financial District to healthcare organizations citywide—face persistent challenges: dysfunctional team dynamics, communication breakdowns, unbalanced contributions, insufficient mutual support, low commitment, and weak cohesion. HEXACO assessment provides the diagnostic clarity needed to address these issues systematically.

Understanding Teamwork Quality Through HEXACO

The Six Dimensions of Teamwork Quality

Contemporary research defines Teamwork Quality (TWQ) through six critical facets originally conceptualized by Hoegl and Gemuenden (2001):

1. Communication (CMNC): Frequency, spontaneity, directness, and effectiveness of information exchange

2. Coordination (CRDN): Harmonization of team activities and goal alignment

3. Balance of Member Contributions (BLNC): Equitable distribution of work and participation

4. Mutual Support (SPRT): Willingness to help teammates overcome obstacles

5. Commitment (COMT): Team member dedication to shared goals

6. Cohesion (COHS): Emotional bonds and “we-feeling” among members

A groundbreaking 2025 study examining software development teams found that HEXACO personality traits significantly influence all six TWQ facets, with team-level personality composition mattering as much as individual traits (Kortum et al., 2025). This research—directly applicable to Toronto’s technology sector—demonstrates that personality-informed team design isn’t theoretical speculation but an evidence-based performance strategy.

How HEXACO Traits Shape Team Dynamics

Honesty-Humility: The Foundation of Trust

High Honesty-Humility team members (sincere, fair, modest, greed-avoidant) profoundly influence team cohesion and mutual support. Toronto organizations benefit from these individuals because they:

• Build trust naturally: Their authentic, non-manipulative communication style creates psychological safety

• Share credit generously: Modest individuals acknowledge teammates’ contributions, strengthening cohesion

• Resolve conflicts ethically: Fair-minded approach prevents escalation and preserves relationships

• Resist politicking: Low interest in status games reduces toxic competition

Recent research confirms that high Honesty-Humility individuals demonstrate greater resistance to manipulative actions and readiness to act honestly, creating team environments where members feel safe being vulnerable and asking for help—essential for effective collaboration.

Team composition insight: Teams with uniformly high Honesty-Humility show exceptional cohesion but may lack competitive drive in high-stakes business development contexts. Toronto HR professionals might balance high Honesty-Humility members (for trust-building) with moderate scorers (providing assertiveness) in client-facing teams.

Emotionality: Empathy and Interpersonal Sensitivity

High Emotionality individuals (fearfulness, anxiety, emotional attachment, empathy) contribute unique strengths to team dynamics:

• Enhanced mutual support: Natural empathy drives helping behaviors when teammates struggle

• Conflict sensitivity: Early detection of interpersonal tension enables proactive resolution

• Emotional bonding: Capacity for attachment strengthens team cohesion

• Caregiver roles: Often naturally assume supportive functions within teams

The 2025 software team study found that high Emotionality correlates with stronger cohesion and mutual support, particularly in diverse teams where emotional intelligence bridges cultural or communication differences (Kortum et al., 2025). Toronto’s multicultural workforce particularly benefits from emotionally-sensitive team members who navigate cross-cultural dynamics with care.

Gender consideration: Research reveals that women in teams may internalize negative teamwork aspects more strongly due to gender-specific expectations, potentially evaluating teamwork less positively when conflicts arise. Toronto organizations should ensure that high-Emotionality members—regardless of gender—receive adequate support to prevent burnout from excessive emotional labor.

Extraversion: Communication Catalyst

High Extraversion drives several critical team processes:

• Communication frequency: Extraverted members initiate conversations, reducing information silos

• Social energy: Create positive emotional climate through enthusiasm and liveliness

• Coordination facilitation: Comfort with interaction supports alignment discussions

• Team building: Naturally organize social events strengthening informal bonds

Research demonstrates that Extraversion positively correlates with communication quality and coordination effectiveness. However, highly extraverted teams may dominate discussions, inadvertently silencing introverted members’ contributions.

Team balance strategy: Toronto teams benefit from personality diversity—combining extraverted communicators with introverted deep-thinkers. Effective Toronto team leaders establish norms ensuring all personality types contribute: structured turn-taking, written input channels, and explicit invitation of quieter members.

Agreeableness: Cooperation and Patience

High Agreeableness (forgiveness, gentleness, flexibility, patience) directly enhances collaboration:

• Conflict de-escalation: Patient, forgiving individuals prevent minor disagreements from becoming toxic

• Flexibility in negotiation: Willingness to compromise facilitates coordination

• Supportive communication: Gentle feedback style maintains psychological safety

• Team harmony: Tolerant members accept diverse working styles

The HEXACO Agreeableness dimension—uniquely emphasizing patience and anger management—predicts team climate quality. Research confirms that agreeable individuals accommodate others’ suggestions and avoid arguments, essential for maintaining productive working relationships under deadline pressure (Lee & Ashton, 2018).

Pitfall awareness: Extremely high Agreeableness across entire teams may produce “groupthink” where members avoid necessary conflict. Toronto organizations should ensure teams include moderately agreeable members willing to raise concerns or challenge assumptions constructively.

Conscientiousness: Reliability and Work Ethic

High Conscientiousness (organization, diligence, perfectionism, prudence) establishes performance standards:

• Balanced contributions: Organized, diligent members complete assigned work reliably

• Meeting deadlines: Strong work ethic ensures commitments are honored

• Quality standards: Perfectionistic tendencies drive excellence

• Process adherence: Prudent approach maintains necessary structure

Conscientiousness consistently predicts job performance across occupations and appears crucial for teamwork quality through ensuring dependable contributions. However, the 2025 study found that Conscientiousness sub-dimensions (particularly Diligence and Perfectionism) show complex relationships with TWQ—high perfectionism may create rigidity if team members criticize rather than support colleagues’ work.

Management implication: Toronto team leaders should channel conscientious members’ high standards into constructive coaching rather than criticism, preserving mutual support while maintaining quality expectations.

Openness to Experience: Innovation and Adaptability

High Openness (aesthetic appreciation, inquisitiveness, creativity, unconventionality) influences team dynamics through:

• Creative problem-solving: Inquisitive members generate novel solutions

• Adaptability: Open individuals embrace change, supporting agile responses

• Intellectual stimulation: Creative contributions energize team discussions

• Diversity appreciation: Unconventional thinkers value diverse perspectives

Surprisingly, the 2025 software team study found individual Openness negatively correlated with some averaged TWQ facets, though not significantly with unaveraged facets (Kortum et al., 2025). This suggests that highly open individuals may prefer independent work or perceive teamwork constraints as limiting creativity. Toronto technology teams—where individual coding work alternates with collaborative design sessions—should structure work allowing open individuals adequate autonomous time.

Team Composition Strategies for Toronto Organizations

Diversity vs. Homogeneity

Research demonstrates that team diversity in personality traits influences teamwork depending on the specific trait:

Traits benefiting from homogeneity:

• High Honesty-Humility throughout: Creates trust-rich environment

• Moderate-to-high Agreeableness: Facilitates smooth cooperation

• High Conscientiousness: Establishes shared work ethic expectations

Traits benefiting from diversity:

• Mixed Extraversion: Balances communication energy with reflective depth

• Varied Openness: Combines creative innovation with practical implementation

• Range of Emotionality: Blends empathy with objective decision-making

Gender Balance and Personality Interactions

The 2025 study revealed that gender composition significantly impacts how personality traits influence teamwork. Specifically, correlations between certain HEXACO dimensions and TWQ facets appeared only for men or only for women, suggesting gender-specific mechanisms or social expectations shape personality expression in teams (Kortum et al., 2025).

Toronto HR professionals should:

• Ensure gender-diverse teams to leverage complementary strengths

• Provide psychological safety enabling all members to express personality authentically

• Avoid gender stereotypes when interpreting personality assessment results

• Recognize that women may face additional emotional labor expectations requiring organizational support

Team Development Phase Considerations

Teams cycle through Tuckman’s classic phases—Forming, Storming, Norming, Performing—with personality traits influencing navigation of each stage:

Forming: High Extraversion and Agreeableness accelerate relationship-building
Storming: Moderate Agreeableness combined with high Honesty-Humility enables constructive conflict
Norming: High Conscientiousness establishes work standards and processes
Performing: Balanced personality profiles support sustained high performance

Research confirms that teamwork quality changes dramatically across development phases, with initial euphoria giving way to disappointed expectations before trust and “we-feeling” develop (Hoegl & Gemuenden, 2001). Toronto team leaders using HEXACO assessment can anticipate phase-specific challenges and provide targeted support.

Practical Applications for Toronto Workplaces

Recruitment and Team Formation

Toronto organizations can leverage HEXACO in team assembly:

Assessment during hiring: Include HEXACO-PI-R for roles requiring extensive collaboration (project management, client services, research teams)

Team composition planning: Use personality profiles to create balanced teams avoiding problematic concentrations (e.g., all highly agreeable members creating groupthink risk)

Role assignment: Match personality to team function—high Extraversion members in client liaison; high Conscientiousness in quality assurance; high Openness in innovation roles

Team Development Interventions

Personality awareness workshops: Toronto team building facilitators can guide teams through HEXACO profile sharing, increasing mutual understanding and appreciation of diverse working styles

Communication protocols: Design team norms accounting for personality diversity—written updates for introverts, brainstorming sessions for extraverts, structured feedback for conscientious members

Conflict resolution training: Teach personality-informed conflict approaches recognizing that high Emotionality members need emotional processing while high Conscientiousness members need logical problem-solving

Performance Management

Strength-based feedback: Frame performance discussions around HEXACO strengths—praising honest members’ integrity, agreeable members’ team support, open members’ creativity

Development planning: Identify growth edges based on personality—helping highly agreeable members practice assertiveness, supporting emotionally-sensitive members with stress management, encouraging open members to balance innovation with execution

Team health monitoring: Regular TWQ assessments (measuring communication, coordination, balance, support, commitment, cohesion) enable early intervention when team dynamics deteriorate

Remote and Hybrid Team Considerations

With career opportunity perceptions declining for Toronto’s remote workers, personality-informed team management becomes critical for distributed teams:

High Extraversion remote workers: May experience isolation; require frequent video calls and virtual social events

High Emotionality remote workers: May miss in-person emotional cues; benefit from explicit check-ins and emotional support channels

High Conscientiousness remote workers: May overwork without office boundaries; need encouragement for work-life balance

High Agreeableness remote workers: May hesitate to raise concerns virtually; require explicit permission and safe channels for voicing issues

Toronto organizations successfully managing hybrid workforces establish transparent communication norms, structured inclusion of remote members in decisions, and personality-sensitive management approaches ensuring all team members—regardless of work location—feel valued and connected.

Conclusion

Team cohesiveness, collaboration, and morale don’t emerge accidentally—they result from intentional design informed by understanding how individual personalities interact to create collective dynamics. The HEXACO personality model provides Toronto organizations with scientifically validated insights into the psychological architecture of high-performing teams.

Research confirms that personality traits significantly influence teamwork quality across all six dimensions: communication, coordination, balance of contributions, mutual support, commitment, and cohesion. By assessing HEXACO profiles during recruitment, forming balanced personality compositions, providing personality-aware team development, and managing teams with sensitivity to individual differences, Toronto organizations can systematically build teams that don’t just function—they flourish.

As Toronto’s workforce navigates hybrid work arrangements, organizational restructuring, and evolving performance expectations, the organizations investing in personality-informed team management will build competitive advantages their rivals cannot easily replicate. Culture, when designed deliberately using evidence-based tools like HEXACO, becomes not just an asset but a strategic moat protecting organizational success.

References

Happily.ai. (2025). The 2026 workplace tension: Why leaders and employees are both right and what actually works. Retrieved March 9, 2026, from https://happily.ai/blog/the-2026-workplace-tension-why-leaders-and-employees-are-both-right-and-what-actually-works/

Hoegl, M., & Gemuenden, H. G. (2001). Teamwork quality and the success of innovative projects: A theoretical concept and empirical evidence. Organization Science, 12(4), 435-449.

Kortum, F., Klünder, J., & Schneider, K. (2025). The influence of HEXACO personality traits on the teamwork quality in software teams: A preliminary research approach. arXiv preprint. https://arxiv.org/abs/2507.00481

Lee, K., & Ashton, M. C. (2018). Psychometric properties of the HEXACO-100. Assessment, 25(5), 543-556. https://doi.org/10.1177/1073191116659134

Tuckman, B. W. (1965). Developmental sequence in small groups. Psychological Bulletin, 63(6), 384-399.