Leadership/Impact® (L/I) & Management/Impact™ (M/I)
The only true measure of Leadership Effectiveness is the Impact you have.
As a leader, your most meaningful outcomes don’t come from what you do — they come from what you motivate others to do. The Impact® assessment is the only true measure of leadership effectiveness, because it gauges the results you create through others.
It shows you exactly what you should be doing more of, and less of, to amplify your influence, widen your impact, and build a high-performance culture.
Contact us to lift Leadership Impact across your Organisation.
Trusted By
Why Choose Impact?
Measure what you motivate in others
Most leadership tools measure your own behaviour or style. Impact goes further — it measures the results you generate through the people you lead. It captures the real effect of your leadership on others, making it the only true measure of leadership effectiveness.
It shows clear cause-and-effect
Impact reveals the direct connection between what leaders do (their strategies and approaches) and what they create (the responses, motivation, and performance of others). You’ll see exactly which actions to do more of, and which to reduce, to achieve your high performance outcomes.
Actionable insight, not abstract data
The feedback is practical, visual, and immediately useful — helping leaders focus on specific, high-leverage behaviours that make the biggest difference to their teams and culture.
It connects leadership to culture
Because leadership behaviour shapes how people think and work together, Impact clearly demonstrates the link between your leadership impact and your organisation’s culture. It shows how your daily actions ripple outward to influence norms, engagement, and performance.
It builds naturally on the LSI
For leaders who have already completed the Life Styles Inventory™ (LSI), Impact is the next step — translating self-understanding and thinking styles into tangible behavioural impact. It turns insight into action and connects personal development to organisational outcomes.
Stand alone or within your framework
Impact can be used as a standalone leadership assessment or integrated into your broader development programs. It’s flexible enough to fit seamlessly within your existing leadership, culture, or performance frameworks.
What the L/I and M/I Measures
Leadership/Impact® (L/I) and Management/Impact™ (M/I) measure the full chain of leadership and management influence — from actions, to impact, to results
Leadership & Management Strategies – What We Do & How We Do It
The Approaches and Strategies leaders and managers use to guide, motivate, and encourage others. This includes how decisions are made, how expectations are communicated, and how people are developed and supported.
Impact on Others – How Others are Motivated to behaviour by our Leadership
How colleagues, direct reports, and peers are motivated, required, or driven to behave as a result of your leadership. This feedback shows the behaviours people adopt in response, whether they feel encouraged to take initiative, collaborate, innovate, or, in some cases, play it safe or look out for #1.
Leadership Effectiveness – The Results of Our Influence
The outcomes produced through others’ behaviour. Constructive influence strengthens engagement, capability, collaboration and performance. Defensive influence can lead to hesitation, compliance, stress and reduced effectiveness.
Who Uses the L/I & M/I?
Executives and
Senior Leaders
Gain a clear view of how your leadership strategies shape behaviour, culture, and results. Align intent and impact with organisational goals.
Human Resource and Culture Leaders
Use evidence to design leadership and management development, track progress over time, and link behaviour change to culture and performance.
Team and
Department Leaders
Understand how your day-to-day management approach influences your team. Identify simple actions to lift engagement, collaboration, and outcomes.
Consultants, Coaches, & Internal Change Agents
Apply L/I and M/I to provide measureable insights and practical development pathways for clients and leaders. Become Accredited.
Inside the L/I & M/I
Outcomes: The Results Your Leadership Creates
The report begins with a clear picture of your overall effectiveness outcomes, highlighting how your actions affect others productivity and performance around you.
This section reflects the core principle behind Impact: the true measure of leadership is what you enable others to day. The data highlights whether you are enhancing the performance, motivation and capability of those around you – or unintentionally limiting it.
Ideal vs Actual Impact (Including Item-Level Detail)
You’ll see a comparison between the impact you aim to have and the impact others experience, offering a precise view of alignment and divergence. This includes:
- The behaviours you want to motivate in others
- The behaviours people feel you actually motivate
- Areas of strong alignment
- Key gaps and opportunities to strengthen your influence.
To deepen this insight, each behavioural style is unpacked into item-by-item detail. This reveals the specific actions driving your overall impact, enabling targeted, practical development.
Breakout Profiles by Rater Group
Impact recognises that leadership is experienced differently by different groups. Breakout profiles allow you to compare how direct reports, peers, managers, and other stakeholders perceive your impact.
These comparisons highlight consistent strengths, unexpected differences, and the dynamics at play across levels — essential for leaders seeking to influence effectively in all directions.
Leadership Strategies & Management Approaches
The report also provides a comprehensive overview of the strategies and approaches you use in your leadership practice — and how frequently each is perceived by different groups.
A consolidated summary sits alongside detailed, strategy-specific pages, offering a clear view of:
- How your leadership approaches are understood by others
- Where gaps in perception exist
- The specific strategies to increase, reduce, or adjust
This integration of strategy, behaviour and outcome provides a direct line of sight from how you lead to the impact you create, and ultimately, to the culture you shape.
Want Support Strengthening Leadership Impact?
Human Synergistics Consulting
Work with our consultants to turn L/I and M/I Insights into practical development plans. We help leaders and managers reflect, shift habits, and lift performance. Learn More.
Our Network of Accredited Practitioners
Prefer a local coach or facilitator? Tap into our accredited network across Australia and beyond to run Impact diagnostics and debriefs. Contact us to find a practitioner.
Become Accredited in L/I & M/I
Build internal capability to deliver, debrief, and embed Impact tools in your programs. Accreditation includes resources and ongoing support. Learn about accreditation.
What Our Clients Say
