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The five whys technique has been criticized as a poor tool for root cause analysis. Teruyuki Minoura, former managing director of global purchasing for Toyota, criticized it as being too basic a tool to analyze root causes at the depth necessary to ensure an issue is fixed. [9] Reasons for this criticism include:
An issue tree showing how a company can increase profitability: A profitability tree is an example of an issue tree. It looks at different ways in which a company can increase its profitability. Starting from the key question on the left, it breaks it down between revenues and costs, and break these down into further details.
One of the thinking processes in the theory of constraints, a current reality tree (CRT) is a tool to analyze many systems or organizational problems at once. By identifying root causes common to most or all of the problems, a CRT can greatly aid focused improvement of the system. A current reality tree is a directed graph.
Solution Tree is a professional development company and publisher of educational material for K–12 educators. Founded in 1998, the company provides services and products that include books, videos, conferences, workshops, consultation, and online courses. [ 1 ]
Performing a probabilistic risk assessment starts with a set of initiating events that change the state or configuration of the system. [3] An initiating event is an event that starts a reaction, such as the way a spark (initiating event) can start a fire that could lead to other events (intermediate events) such as a tree burning down, and then finally an outcome, for example, the burnt tree ...
The core conflict cloud is an evaporating cloud that emerges from analysis of a current reality tree (CRT), which is one of the thinking processes. The CRT provides a way for analyzing many system or organizational problems at once, treating them as symptoms of a single core problem.
The word "radical" derives from the Latin word "radix" ("root"). Thus, radical criticism means criticism that goes to the root of things, to the roots of the problem. Revolutionary criticism is criticism that aims to overturn or overthrow an existing idea or state of affairs. Thus, an existing idea may be turned upside down.
The use of such argument analysis for thinking through issues has been called "reflective argumentation". [17] An argument map, unlike a decision tree, does not tell how to make a decision, but the process of choosing a coherent position (or reflective equilibrium) based on the structure of an argument map can be represented as a decision tree ...