Decalogue methodology is a holistic management model that integrates systems thinking, statistical variation, and psychology. It’s based on the Theory of Constraints and Deming’s System of Profound Knowledge. The model seeks to create a systemic organisation, where all parts are interconnected and work towards achieving a common goal.

The Decalogue begins by identifying the system’s constraint, which is the factor limiting the system from achieving more of its goal. The next steps involve exploiting the constraint, subordinating everything else to it, and elevating it. This process ensures the constraint is not a limiting factor anymore.

Decalogue methodology also emphasises the importance of variation. Understanding variation is critical to improving processes, as it allows for the identification of common and special causes.

The third pillar of the Decalogue is psychology. It focuses on understanding how people interact within the system, their motivations, and how they can be led towards the common goal.

The Decalogue’s ultimate aim is to create a robust, resilient, and continuously improving organisation. It encourages a shift from local optima to systemic optimisation, fostering a culture of ongoing learning and improvement.

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