Art of Lean
Section 7

Summary: Putting It to Work

The whole method in one view, why skill comes only from practice, and how to put Job Instruction to work on a real job — again and again.

This guide has walked through Job Instruction from the ground up: what it is, why the usual ways of teaching fall short, the four-step method, the Job Breakdown Sheet, planning with a training matrix, and how to adapt the method to harder situations. This closing section pulls those pieces back together and turns them toward one purpose — actually using the method on a real job, again and again, until it becomes part of how you work.

The method is not new. It has proven itself over many years, in many places, and it still works. What remains is for you to put it to work.

1The method in one view

Job Instruction rests on a single conviction, repeated here because everything else follows from it:

If the worker hasn't learned, the instructor hasn't taught.

That motto places responsibility for learning on the instructor. When a person cannot do a job after instruction, the Job Instruction response is not "they are slow." It is "the instruction was not good enough." From that stance comes a reliable, repeatable way to teach.

The whole method fits on one page:

  • Get ready. Decide who needs to be trained for which job and by when (the training matrix), then break the job down into Important Steps, Key Points, and Reasons (the Job Breakdown Sheet), and have the workplace, tools, and materials ready.

Then teach with the four steps:

  1. Prepare the worker — put the person at ease, find out what they already know, and create interest in learning the job.
  2. Present the operation — tell, show, and illustrate one Important Step at a time; stress each Key Point; explain the Reason for each Key Point; present no more than the person can take in.
  3. Try out performance — have the worker do the job and correct errors; have them do it again while explaining the Important Steps, then the Key Points, then the Reasons; continue until you know they understand.
  4. Follow up — put the worker on their own, name who to ask for help, check frequently at first, then taper off as good habits take hold.
Step 1
Prepare the worker

Put the person at ease, find out what they know, create interest in the job.

Step 2
Present the operation

Tell, show, and illustrate one Important Step at a time; stress each Key Point and its Reason.

Step 3
Try out performance

Have the worker do it and correct errors; have them explain steps, Key Points, then Reasons.

Step 4
Follow up

Put the worker on their own, name who to ask, check often at first, then taper off.

Get ready · plan
The training matrix

Who needs to be trained for which job, and by when.

Get ready · prepare
The Job Breakdown Sheet

Important Steps, Key Points, and Reasons, with the workplace and tools ready.

Adapt
Special situations

Long jobs, knacks and feel, and noisy areas handled without abandoning the method.

Figure 7.1
The whole Job Instruction method on one page

Two things to get ready — the plan (training matrix) and the breakdown (Job Breakdown Sheet) — and four steps to teach: Prepare, Present, Try out, Follow up.

What to notice: the four steps are what most people remember, but they only work when the preparation is done first. A good breakdown and an honest training plan are what make the four steps reliable rather than improvised.

2A recap of the guide

It is worth retracing the path, because each section was building toward this one.

Why Job Instruction matters (Section 1). Poor instruction quietly drives a large share of everyday problems in quality, cost, delivery, and safety, and because the work and the people are always changing, the need to teach never goes away.

The basic concepts (Section 2). Instructing is one of the five needs of a good supervisor — knowledge of the work, knowledge of responsibilities, skill in instructing, skill in improving methods, and skill in leading. Job Instruction develops skill in instructing. The section also shows why the usual ways of teaching fall short: telling, showing, illustrating, and questioning each have value and each is unreliable on its own. The Fire Underwriter's Knot demonstration makes this plain — a learner who is only told the steps fails, and a learner who only watches fails too, no matter how many times it is repeated. A reliable method has to combine these approaches in a disciplined order.

The four-step method (Section 3). Prepare, Present, Try out, Follow up — the four steps printed on the pocket card. This is the heart of Job Instruction.

The Job Breakdown Sheet (Section 4). Before you can teach a job well, you have to take it apart: the Important Steps (what advances the work), the Key Points (anything that can make or break the job — knacks, safety, and what makes the work easier to do), and the Reasons (why each Key Point matters). The breakdown is the supervisor's own preparation tool, not a script handed to the worker.

Planning with the training matrix (Section 5). Good instruction is planned, not reactive. A training timetable lays out who needs which skills by when, so cross-training happens on purpose rather than in the middle of an emergency.

Special situations (Section 6). Real jobs are longer and messier than the ones used in the demonstrations. Long jobs are split into units small enough to teach in one session, judged against the learner's capacity, the natural breaks in the work, and the time available. Knacks and "feel" are taught by naming where they occur and giving the worker a head start, knowing that mastery still takes practice. Noisy areas force you to lean on sight rather than hearing — more demonstration, more repetition, a slower pace, and a quieter spot for any necessary discussion.

Field note

Job Instruction is not limited to formal training. The same four steps apply to giving work instructions, answering questions, and checking work. Once the method becomes second nature, you will find yourself using it many times a day without announcing it.

3Skill comes from practice

Reading about Job Instruction will not make anyone good at it. Like the other supervisor skills, instructing is acquired through conscious effort and constant practice on real jobs.

Skill in instructing is a skill. It is developed by using the method, not by knowing about it.

This matters because the method can feel slow the first few times. Breaking a job down, preparing the workplace, and walking through all four steps takes longer up front than simply telling someone to "watch me and copy it." That cost is real — and it is repaid. A worker taught well makes fewer mistakes, needs less correction, causes fewer emergencies, and reaches full pace sooner. The time you spend teaching properly is time you do not spend later fixing scrap, damage, and injuries.

The tool also behaves like any other tool: it loses its edge if you leave it in the drawer. Use it regularly and it gets easier — until breaking a job down and teaching it the right way becomes simply how you work.

Common mistake

Learning the four steps, agreeing they make sense, and then never actually breaking down and teaching a real job. The method only develops skill when it is used. Knowing the card is not the same as being able to instruct.

4Putting it to work

The way to start is to start. You do not need a perfect plan or an ideal job — you need a real one.

  1. Pick a real job in your area. Choose something you actually need someone to learn, where poor instruction would cost you.
  2. Break it down. Write the Important Steps, Key Points, and Reasons on a Job Breakdown Sheet. The act of writing it forces you to think the job through and reveals what you have been taking for granted.
  3. Get ready. Have the right workplace, tools, materials, and the correct quantities on hand before the worker arrives. Decide how much you can teach in one session.
  4. Teach it with the four steps. Prepare the worker, present the operation, try out their performance, follow up.
  5. Follow up — and don't stop early. Check frequently at first, point the worker to who can help, encourage questions, and taper off only when the right habits are firmly in place.

Then do it again with the next job, and the next. Build a simple training timetable so the teaching is planned rather than reactive. Without a timetable, instruction degenerates into a patch-up operation — always waiting for a problem to force the issue instead of heading trouble off before it starts.

Field note

Experienced workers need teaching too, and they are the hardest to reach because they rarely ask. It falls to the supervisor to watch carefully and notice what they need — a changed standard, a new tool, a habit that has drifted. The four steps make correcting an established habit much easier than confronting it head-on.

5Where this fits

Job Instruction is one piece of a larger picture, and it is worth seeing the whole.

Within the five needs of a good supervisor, Job Instruction develops the skill of instructing. It sits alongside two companion skills, each with its own method and its own guide in this set:

  • Job Relations — how to lead people and handle problems with them. Where Job Instruction is about teaching a person to do the work, Job Relations is about working with people: building cooperation, getting the facts before acting, and resolving the problems that come up between people. Much of what makes instruction land — putting the worker at ease, earning respect, encouraging questions — connects directly to Job Relations.
  • Job Methods — how to improve the way a job is done. Once a job is broken down for teaching, the same close look often reveals waste and better ways to do the work. Job Methods takes that breakdown further: question every detail, then eliminate, combine, rearrange, and simplify. Job Instruction teaches the current best method; Job Methods improves it. Together they form a loop — improve the method, then teach the improved method well.

All three "J" programs grew out of Training Within Industry — the wartime program whose history, development, and spread to Japan and Toyota are covered in the Training Within Industry umbrella guide. That guide gives the context; this one gives the working detail of Job Instruction.

The three J programs of Training Within Industry mapped to three of the five needs of a good supervisor: Job Instruction is skill in instructing, Job Relations is skill in leading, and Job Methods is skill in improving methods. TRAINING WITHIN INDUSTRY · THE THREE J PROGRAMS TRAINING WITHIN INDUSTRY (TWI) the wartime program behind all three Job Instruction skill in instructing teach a person to do the work Job Relations skill in leading work with people and handle problems Job Methods skill in improving methods improve the way the job is done Three of the five needs of a good supervisor — knowledge of the work and knowledge of responsibilities are the other two.
Figure 7.2
Where Job Instruction fits — the three J programs and the five needs

Job Instruction (skill in instructing), Job Relations (skill in leading), and Job Methods (skill in improving methods) are three of the five needs of a good supervisor, and the three "J" programs of Training Within Industry.

What to notice: the three J's reinforce one another. A supervisor who teaches well, leads well, and improves methods is meeting three of the five needs at once — and the same people skills run through all three.

6A closing word

Job Instruction is, in the end, a simple promise kept with discipline: that you will take the time to teach a job correctly, safely, and conscientiously, and that you will hold yourself — not the worker — responsible for whether the learning takes hold.

The supervisors who have used this method find that it helps them reach their most important goals at once: better quality, higher output, and lower cost. More than that, bringing out the best in your team members earns their respect, the respect of your superiors, and the respect of your peers. Being able to pass on what you know is the true mark of a leader.

So break down a real job, teach it with the four steps, follow up until it sticks — and remember the motto every time:

If the worker hasn't learned, the instructor hasn't taught.

When you are ready to go further, the companion guides continue the work: Job Relations for leading people and handling problems, Job Methods for improving the job itself, and the Training Within Industry umbrella guide for the history and context behind all three.

In closing

Job Instruction is the disciplined, repeatable way to teach a job: get ready with a training plan and a Job Breakdown Sheet, then prepare, present, try out, and follow up. It rests on one conviction — if the worker hasn't learned, the instructor hasn't taught.

Skill comes only from using the method, not from knowing about it. So pick a real job, break it down, teach it with the four steps, and follow up until it sticks. Then do it again — and study the companion programs, Job Relations and Job Methods, when you are ready to go further.