What is an Interference Diagram?

The Interference Diagram (ID) is a relatively simple tool to help surface, value and sort out interferences, Undesirable Effects or obstacles usually described as “problems”. The ID found its place within the Theory of Constraints Logical Thinking toolbox, but “Unlike the other thinking tools the ID is not based on logic, but rather on intuition(1)”. … Continue reading What is an Interference Diagram?

Solve problems and improve with few, messy data

Tackle problems and improve when data are available and neatly displayed in a Pareto chart is the way everybody expect to go, but this is not so often the case. How to start in case of greater number of issues but very few data (read recording of sorts) about the problems exist and this few … Continue reading Solve problems and improve with few, messy data

Video interviews with Bill Dettmer: LTP training participant’s testimony

Erik Mano co-Director of Marco Tech and Philip Marris CEO of Marris Consulting discuss Bill Dettmer’s Logical Thinking Process. Erik Mano describes how he became interested in The Logical Thinking Process (LTP): his ambition to improve the performance of his company. Discovering Eliyahu Goldratt’s business novel “The Goal” and the hidden thinking processes it this … Continue reading Video interviews with Bill Dettmer: LTP training participant’s testimony

Tales from the Pyramid – the Swiss cheese

Swiss cheese as most people imagine it is a holed one. The pyramid in this post looks much like a portion of Swiss cheese, with holes in its middle layer. These holes stand for rogue middle managers who don’t align to corporate objectives, resist change or passively sabotage improvement programs. Their behavior have various backgrounds … Continue reading Tales from the Pyramid – the Swiss cheese

Video interviews with Bill Dettmer: Logical Thinking Process training

William Dettmer is senior partner with Goal Systems International and author of eight books and numerous articles about Theory of Constraints, Thinking Processes and more. Bill was guest of Marris Consulting in Paris, France, November 27 and 28th, 2014. During his stay, we interviewed Bill and had the pleasure to video tape and later edit … Continue reading Video interviews with Bill Dettmer: Logical Thinking Process training

Chromebook, the end of honeymoon

One and half year after purchasing my Samsung Chromebook model 303C12, the advantages I once saw faded away in front of growing frustration, ending the honeymoon. Let’s be fair, my Chromebook did overall well for what I asked it for. I wanted it mainly for convenient writing, long battery life and low weight. I purchased … Continue reading Chromebook, the end of honeymoon

Goal Tree: is it worth it?

Depending the methodology, building a Goal Tree requires some time and attention from top management. The one I am thinking of is typically a two to two and half day seminar (when led by an expert). Therefore the Chiefs often hesitate to invest this time as they are already overbooked and question the necessity of … Continue reading Goal Tree: is it worth it?