Should you be a purist and insist on using the 1944–45 manuals?
While all the programs went through heavy editing during development, they typically had about ten revisions after their national release. This was all done within about 18 months, then the revisions stopped. The editing and revisions were not stopped because the TWI staff thought they had reached perfection, but by orders above the TWI headquarters… the programs were ‘good enough’. They must now concentrate on solving the problems of production, not improving the TWI programs.
In the last 18–24 months of the government funding of the TWI programs, the leading trainers were forced to do what we would now call ‘point kaizen’ and not allowed to do what they recognized as full TWI implementations in a facility. They were given a list of items that still had shortages. Their orders were to review the production process, zero in on the problem area and fix only that specific area, then move on to the next problem on the list. (There are letters in the US Archive collections where the trainers are moaning about this approach and promising themselves that ‘after the war’ they will go back and do a proper job of ‘installing’ the TWI programs.)
In January 1946, the original headquarters staff from Washington DC set up the TWI Foundation to continue their research and development of the TWI programs. Immediately they released revisions to the manuals that they were not allowed to do the previous 18 months. The biggest changes were to Job Instruction — moving the time table to session 1, the learning to see exercise, and Job Methods — changing the training example to include modifying the layout.
In order to continue the development of the TWI programs the TWI Foundation leaders needed to pass the development forward to others. Their reason was primarily one of age… When they first started the TWI Service in 1940 — Channing Rice Dooley was 65 and Walter Dietz was 63… this would make them 70 and 68 when they started the TWI Foundation! Dooley died a few years later and Dietz continued running the organization into the 1950’s.
In the US Archive collections, there are letters to indicate that Dooley and Dietz maintained relationships with a number of people that continued to explore the development of the TWI programs. These would be people like Herbert Doner (teaching JI at the University of Chicago’s School of Business), Lowell Mellen (operating the TWI, Inc. consulting company), and Elizabeth (Betty) Huntington of New Zealand’s TWI Service.
Herbert Doner is relatively unknown — his contribution was adding the third column in the job breakdown sheet in 1967. Originally the Job Instruction job breakdown only had two — Important Steps and Key Points. The supervisor that was doing the training was ‘supposed to know’ the reason for each key point. Even though JI clearly states to ‘not leave anything to memory’ and ‘not rely on memory’ in the training materials. The Job Methods job breakdown sheet had three columns, so to avoid confusion, JI kept the original 2-column layout for 25 years.
Lowell Mellen is probably the best known, because his team taught TWI in Japan. It’s one of his team members (Dale Cannon) that developed the combining of all three of the J programs into a unified problem-solving program in 1955. This unified approach is quite like how Taiichi Ohno applied the TWI programs within Toyota. Problems rarely confine themselves to a single TWI skill area.
Highlighting added to emphasize the three programs
The last one, and most active mentoring that lasted for more than 20 years between Betty Huntington and Walter Dietz is the most interesting. Immediately after establishing the TWI Service in New Zealand, they established a small research group to continue the development of the programs… not just the J programs, but the critical support and development that was necessary for effective implementation of TWI. The core of this support material was developed in the US and available only to the trainers at the Regional offices and Headquarters. The last version of their Job Methods training had finally simplified to process to the point it was easy to use and focused on getting results to resolve problems.
Modern Variations
Most of today’s variations to the 5-day program format are for the convenience of the trainer (or to lower the cost), changing the format into 2 or 3 days. Coaching the skills at their workplace between the sessions cannot be done when the program is compressed. Nor can the deliberate practice at your workplace to connect the sessions lessons with your work.
The two largest groups that certify TWI trainers do not follow the same format as the TWI Service did in their Institute training. Today’s trainers might get a week practicing with someone experienced (along with several others). The original format was attending the 10-hour session, then practice applying it at least several weeks, then apply for the Institute. Once accepted, you would spend a week going through all the sessions and then return to the company where you were employed to deliver your first program. Your Institute trainer would attend your sessions and follow you to the shop floor as you coached participants. They would offer feedback on how to improve your sessions. Only after successfully delivering a complete program under the watchful eye of an Institute trainer, would you be certified. In addition, if you did not deliver the training for more than 90 days, you had to complete the certification again.
So, what choices do I have?
Your choices…
Option 1
Providing employees with a certificate for a single TWI skill (there are three core skills) only costs the employer a lost week of production and about $800 per person if done at your own facility. Unless you get an exceptional facilitator and coach like Roger Bilas or Mitch Ingram[MW3] .
(to be continued...)
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