Impact × Effort — where to focus the team’s resources
💡 The idea behind the tool
A prioritization matrix is more than a tool. It’s a pause before action. Every team is tempted to take on what’s familiar, what’s “almost done,” or simply what the director asks for.
The matrix forces three tough questions: How big will the effect be? How many resources does it take? When will we see the result? If you can’t answer all three, you’re not ready to launch the initiative.
Why prioritizing matters
WITHOUT A MATRIX
▸ The team juggles 10+ initiatives ▸ Everything is half done ▸ Energy is scattered ▸ No visible results
WITH A MATRIX
▸ Focus on 2–3 key ones ▸ Finish them ▸ A visible result within a month ▸ The team sees progress
The Pareto principle in action: the right 20% of initiatives deliver 80% of the result. The matrix helps you find that 20%.
The 3 most common sets of criteria
Option 1 — Operational
Most common
⚡ Impact on results
🔧 Implementation effort
⏱ Time to deliver
Fits operational Kaizen projects. The focus is a quick result with minimal effort.
Option 2 — Managerial
For managers
🚨 Urgency
🎯 Importance
💰 Cost
The Eisenhower matrix in a Lean context. It answers the question “what do we do right now.”
Option 3 — Strategic
For the top team
💵 Financial impact
⚙️ Operational impact
⚠️ Risks
For big investment decisions. It accounts for risk — especially important for CAPEX projects.
5 rules for using the matrix
1
Build the matrix as a team, not alone
Consensus going in = commitment to execution. A matrix where one director set the scores will be ignored
2
Criteria should be numeric
“High impact” vs. “low impact” is subjective. “+$250,000/year” vs. “+$10,000/year” is objective
3
The “quick wins” quadrant — start here
High Impact + Low Effort = Quick Wins. The first 2–3 months — only here. This builds trust in Lean
4
Review the matrix every quarter
Priorities change. What was “not important” can become critical after the market shifts
5
No more than 3 initiatives at a time per team
More than that and you scatter. Human attention is finite. Lean says: finish one before starting another
The Impact × Effort matrix
The most common version for Lean projects. The horizontal axis is implementation effort (left — easy, right — hard). The vertical axis is impact (bottom — small, top — large).
↑ Effect (impact)
Quadrant 1
⚡ Quick wins
Big impact + easy to do. Start here. Gives a fast result and builds the team’s trust
PRIORITY 1
Quadrant 2
🎯 Strategic projects
Big impact + hard. Plan carefully. Needs resources, a project lead, and a DMAIC approach
PRIORITY 2
Quadrant 3
📋 Easy tasks
Small impact + easy. Do them in spare time or delegate. Don’t spend key people on them
PRIORITY 3
Quadrant 4
🗑️ Avoid
Small impact + hard. Don’t do it. Check whether this initiative is needed at all
DROP IT
Implementation effort →
Example — 6 Lean initiatives on the matrix
⚡
Rolling out 5S in Area 3
Q1
1–2 wks
⚡
Visualizing line parameters (Andon)
Q1
2–3 wks
🎯
SMED — cutting line changeover time
Q2
2–3 mos
🎯
Rolling out autonomous maintenance (TPM)
Q2
3–6 mos
📋
Refreshing the meeting whiteboards
Q3
1 wk
🗑️
Redesigning the company’s employee website
Q4
4–6 mos
Takeaway: months 1–2 — Q1 only. That gives a visible result and builds trust. Q2 — once Q1 has delivered. Q4 — don’t start at all until we rethink why it’s needed.
How to use it: score each initiative on 3 criteria from 1 to 5. The quadrant is set by impact and effort; speed to result only affects the priority percentage within the quadrant.
CHOOSE AN INITIATIVE TO SCORE:
Initiative name
💥 Impact on results
—
🔧 Implementation effort
—
More marks = harder. Green — easy, red — hard.
⚡ Speed to result
—
—
—
—
RANKING OF SCORED INITIATIVES:
From Eisenhower to Lean — how the matrix evolved
1954
Eisenhower — “urgent ≠ important”
In a speech at Northwestern University, the U.S. president quoted a former college president: urgent matters are seldom important, and important ones are seldom urgent. Eisenhower himself cited the idea as the principle by which he divided his own workday. The general who led the Normandy landings knew that without prioritization you lose even with the biggest army.
1989
Stephen Covey — “7 Habits” and Q2 thinking
Covey expanded this split into a time management matrix and put the emphasis on the “important but not urgent” quadrant — where strategy and growth live. The book sold tens of millions of copies and made the matrix known to the entire business world.
2000s
Impact / Effort — Lean and product teams
Lean consultants replaced “urgent / important” with “impact / effort.” In operational improvement, urgency isn’t always the right criterion: what’s on fire often has the smallest effect. “Quick Wins” (high impact + low effort) became the starting quadrant for Kaizen projects.
What follows from this: pick the axes to fit the type of decision. Urgency — for daily management; impact/effort — for an improvement portfolio.