Lean Insight: The Power of Quiet Observation

The “waste walk” is a popular lean tool used to pinpoint inefficiencies, yet there is a quieter, equally powerful approach: standing to observe.

Tie lean methodologies and opportunities to metrics. PHOTO: THINKSTOCK

We become blind to our surroundings after roughly 21 days—research shows—and we miss opportunities that an outsider would instantly spot.

Most teams rush straight into fixing problems without pausing to observe first.

Standing to observe isn’t a novel idea. Taiichi Ohno, the architect of the Toyota Production System, famously had engineers stand in a chalk‑lined circle and report their observations, sharpening their observational skills.

Select a spot in the workflow and watch: people moving; their motions; emotions and engagement; the flow; material handling; the environment and working conditions; and the complexity of tasks and subtasks.

As you watch, note the classic lean wastes: defects, over‑production, waiting, under‑utilized talent, unnecessary travel, excess inventory, wasted motion, excessive processing, and ineffective information systems.

After spotting improvement opportunities for both process and employee wellbeing, the next step is to implement lasting change.

Metrics matter, but they must resonate with the right stakeholder. A frontline operator needs clear, actionable numbers that they can influence; a CFO cares about EBITDA but may not grasp the details of a 10% unloading time reduction. Ask the operator to track the time it takes to unload a truck over several days, then set a realistic target to shave ten minutes per truck.

Muscle memory is a major barrier to sustained change. When people are trained to perform a task a certain way, it becomes automatic—even if it isn’t optimal. An employee asked to adopt a new method will often revert once the observer steps away.

Rewiring muscle memory takes time. Observe, tie each opportunity to a controllable metric, monitor progress, and keep the original habit in mind.

It takes about 21 days to change behavior. Return for a follow‑up observation to confirm that the new routine has taken hold.

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Richard Kunst is president and CEO of Cambridge, Ont.-based Kunst Solutions Corp., which publishes the “Lean Thoughts” e‑newsletter and helps companies implement lean solutions. Visit www.kunstsolutions.com.