Who Makes a Better Leader: Men or Women? - Paris School of Management (PSM)

Diverse senior leaders in a Paris meeting room with the Eiffel Tower visible through a window.

Introduction

The question 'Who makes a better leader – men or women?' has long animated readers, boardrooms and classrooms. It is also deceptively simple. Leadership is a multi-dimensional, context-dependent activity that includes strategy, operational execution, influence, team development and ethical judgement. Answers that attempt to assign a global advantage to one sex risk misleading leaders and talent managers.

Executive Summary

Short answer: empirical research does not support a universal claim that men or women are categorically better leaders. Large meta-analyses and broad 360-degree assessment studies find either parity in overall effectiveness or modest advantages for women on certain competencies, while men often rate their own performance more highly. Structural barriers, role expectations and measurement methods shape perceptions as much as observed behaviour. The practical implication for organisations is clear: evaluate leaders by observable behaviours, outcomes and context-specific competencies rather than by sex. Key interventions include structured performance measures, blind selection practices where feasible and systematic leadership development calibrated to strategic goals.

Key Takeaways

No universal superiority: Large-scale evidence shows no consistent overall advantage for men or women in leadership effectiveness when all contexts are combined. (Paustian-Underdahl et al., Journal of Applied Psychology, 2014).
Competency differences matter: Multi-rater data indicate women often score higher on many interpersonal and inclusive leadership competencies. (Zenger & Folkman, Harvard Business Review, 2019).
Bias and context shape outcomes: Role-congruity and cultural expectations can produce evaluative penalties or advantages depending on the organizational context. (Eagly & Karau, Psychological Review, 2002).
Assessment method matters: Self-ratings, peer ratings and subordinate ratings often diverge; men tend to rate themselves higher while others sometimes rate women more effective.
Practical focus: Organisations improve results by designing selection, promotion and development systems that measure behaviour and outcomes, reduce subjective bias and widen leadership pipelines.

The Evidence – What Large Studies Show and Why It Matters

Research that aggregates many empirical studies provides the strongest basis for general conclusions. A comprehensive meta-analysis of nearly a hundred independent samples concluded that, across leadership contexts, men and women do not differ in perceived leadership effectiveness overall. The same synthesis found nuance: when ratings come from others rather than from leaders themselves, women are often rated more effective; when leaders rate themselves, men tend to give higher self-assessments. These patterns point to the influence of measurement method and social expectations on apparent differences. (Paustian-Underdahl, Walker & Woehr, 2014).

Complementing meta-analytic work, large-scale multi-rater assessments – including aggregated 360-degree data analysed by leadership consultancies – have reported that women outperform men on a range of leadership competencies such as collaboration, developing others, and influencing without authority. These datasets are valuable because they draw on multiple raters and observed behaviours rather than on single-source self-report. However, consultancy datasets vary in scope and selection, so generalisation requires care. (Zenger & Folkman, 2019).

Why the evidence does not translate into uniform advantage

Even where women show relative strengths on specific competencies, systemic factors – unequal representation at senior levels, differences in assignment to high-visibility projects, and cultural role expectations – can limit observable career outcomes. Evaluations are influenced both by behaviour and by the stereotypes and expectations of evaluators. Consequently, parity or advantage in some competencies does not automatically produce parity in promotion or pay.

The Theory – Role Congruity and the Mechanics of Bias

To interpret empirical findings we need a theoretical frame. Role congruity theory explains how perceived mismatch between gender roles and leadership roles generates two forms of prejudice: (1) lower ascription of leadership potential to women and (2) negative reactions to women who enact agentic leadership behaviours. In short, when leadership is culturally defined in strongly masculine terms, women face evaluative penalties; when leadership definitions emphasize communal or relational skills, women's strengths are more visible. This helps explain why the same person can be judged differently depending on context and observer expectations. (Eagly & Karau, 2002).

Practical consequence – organisations that cling to narrow, masculine stereotypes of leadership risk both missing talent and sustaining cultures that reward the appearance of leadership rather than its concrete effects. Adopting competency models that reflect the organisation's strategic needs reduces noise from stereotypes.

Leadership effectiveness is an interaction between actor, context and observer – not an intrinsic trait that attaches to sex. – Role congruity perspective.

Competency Profiles – Where Men and Women Tend to Differ

Summary of recurring competency patterns in multi-rater studies and leadership research: these are tendencies, not immutable truths for every individual.

Competency Domain	Empirical Pattern – Tendency	Practical Implication
Interpersonal and relational skills	Women often score higher on collaboration, empathy and developing others.	Valuable in people-centred roles and in organisations that depend on high engagement.
Influence and communication	Women frequently outperform on inclusive and adaptive influence; men may be perceived as more assertive in some contexts.	Balanced teams benefit from both assertive and inclusive influence styles.
Risk-taking and self-assessment	Men tend to give higher self-ratings and sometimes take more visible risks; women may be more cautious in self-promotion.	Objective metrics and calibrated stretch assignments can reduce distortions from self-assessment differences.
Strategic decision-making	Mixed findings; differences depend more on experience, role and firm context than on sex.	Use experience and domain knowledge to allocate strategic roles rather than demographic proxies.

These patterns are supported by aggregated assessments and syntheses of the literature; they are not prescriptions. A leadership model that combines complementary strengths often outperforms a homogenous leadership bench.

When Context Changes the Answer

Context is decisive. The sector, organisational culture, crisis versus steady-state conditions, level of the role and national culture all moderate whether particular leadership behaviors are rewarded.

Sector and role level: Some research suggests that in highly masculine-coded domains or at the highest executive levels, women face stronger evaluative penalties; in mission-driven, service or people-intensive sectors, relational strengths are especially valuable.
Task environment: During acute crisis, decisiveness and command presence may be more visible; during transformation, collaboration and stakeholder management rise in strategic importance.
Culture and country variation: Gender-role expectations vary internationally; empirical studies document cross-cultural differences in how male and female leaders are perceived.

Therefore, the 'better' leader for a given organisation is the person whose skills and behaviours align with the strategic challenge and whose leadership is assessed by appropriate outcome measures rather than by broad stereotypes.

A Practical Framework – Hire, Develop, Evaluate

Organisations can translate the research into a three-part operational framework designed to find and grow effective leaders irrespective of sex.

Hire to behaviours and outcomes
- Use structured interviews tied to observable competencies.
- Include work-sample assessments and simulation tasks when possible.
Develop deliberately
- Offer leadership rotations that build domain experience and visibility.
- Provide sponsorship and stretch assignments to close experience gaps.
Evaluate with calibrated metrics
- Rely on outcomes and multi-source feedback rather than on single subjective impressions.
- Track promotion, retention and performance by cohort to reveal structural bottlenecks.

Checklist – Reducing Bias and Widening the Pipeline

Standardise job descriptions and make selection criteria explicit.
Use diverse interview panels and anonymised assessment where feasible.
Audit performance ratings and promotion patterns for demographic disparities.
Create formal sponsorship programmes to give underrepresented leaders visible assignments.
Design feedback systems that emphasise behaviours and results, not personality labels.

Case Study – An Illustrative Composite

This composite draws on common practices observed in organisations that rebalanced talent pipelines and governance – it is illustrative rather than attributional.

Challenge

A mid-sized European technology firm had strong product development capability but low retention of high-potential women after middle management. Senior roles were predominantly male, and promotion often followed visibility on short-term revenue projects.

Approach

The firm implemented structured promotion rubrics, anonymised short-lists for senior stretch roles, and a sponsorship programme pairing senior executives with high-potential managers from underrepresented groups. The HR function introduced a multi-source leadership assessment for promotions and linked stretch assignments to transparent success metrics.

Outcome

Within three years the company increased the share of women in senior management roles, saw improvements in employee engagement among technical teams, and reported fewer performance rating disparities. Crucially, leadership outcomes were measured by product-delivery metrics and team retention rather than by subjective fit.

Lessons Learned

Structural interventions – not exhortations – change pipelines.
Measurement of outcomes removes noise from subjective bias.
Intentional sponsorship increases opportunities for leadership experience.

Common Mistakes Organisations Make

Assuming that gender parity will follow naturally once women are present in leadership ranks – representation without structural supports often stalls progress.
Relying primarily on unstructured interviews and 'cultural fit' talk – these amplify bias.
Using single-source evaluations – e.g., CEO impressions – to make promotion decisions.

Frequently Asked Questions

Q: Does research show women are better at leading in modern organisations?

A: Research indicates women often score higher on several interpersonal and inclusive competencies in multi-rater assessments, but overall effectiveness across contexts is roughly equal when aggregated. The right question for an employer is which competencies are needed for a given role. (Paustian-Underdahl et al., 2014) and (Zenger & Folkman, 2019).

Q: Why do men often appear more promoted or visible?

A: Structural factors – assignment to high-visibility projects, differential sponsorship, promotion criteria that value risk-taking or self-promotion more than collaborative outcomes – contribute to visibility gaps. Evaluator bias and role-congruity effects also play a part. (Eagly & Karau, 2002).

Q: What should students and early-career professionals do?

A: Build a portfolio of measurable achievements, seek sponsors who will advocate for high-visibility assignments, and invest in complementary competencies – strategic thinking, financial literacy and stakeholder influence – that are valued at senior levels.

Future Outlook – What Leaders and Students Should Watch

Two trends will shape the conversation. First, organisations that adopt behaviourally anchored assessment and transparent promotion practices are likely to close opportunity gaps more quickly. Second, evolving definitions of leadership that emphasise adaptability, inclusion and stakeholder orientation increase the strategic value of competencies where women frequently excel. The combined effect is not mechanical – it depends on deliberate human and structural choices.

References and Further Reading

Call to Action

Leaders and students who care about effective organisations will benefit from shifting the debate from 'who is better' to 'how do we reliably identify and develop the behaviours that produce results in our context'. Explore leadership modules that combine behavioural assessment, domain experience and mentorship. The Paris School of Management offers programmes and executive seminars that address leadership assessment, inclusive talent systems and strategic people development – skills that are essential for modern organisations.

Author's Note

This article synthesises peer-reviewed meta-analysis, theory and large-scale assessment studies to provide practical guidance. Where studies diverge, I have described the patterns and their practical implications rather than offering absolutist conclusions.