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XNM Blog

Practical guidance on capital projects, governance, financing, and delivery for Indigenous and public-sector leaders.

Articles

Test-Driven Development (TDD) and Scrum: A Practical How-To Guide
October 14, 2022 · 4 min read

Test-Driven Development (TDD) and Scrum: A Practical How-To Guide

Test-Driven Development is a software development practice, not a Scrum requirement. But the two fit together well: TDD's discipline of writing tests first supports the Scrum requirement that the Increment be truly done at the end of every Sprint. Here is a practical account of how TDD works, why it belongs in Scrum teams, and how to introduce it to a team that has never used it.

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Risk Appetite and Risk Tolerance: What Every Project Manager Should Know
October 13, 2022 · 5 min read

Risk Appetite and Risk Tolerance: What Every Project Manager Should Know

Risk appetite and risk tolerance are among the most misused terms in project management. They are often treated as synonyms, or avoided entirely in favour of vague statements about "managing risk carefully." They are not synonyms, and the distinction matters practically: it determines what risks a project accepts without escalation, which ones trigger a response, and how project objectives are balanced when they conflict.

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Demand-Driven MRP: A Practical Introduction
October 12, 2022 · 4 min read

Demand-Driven MRP: A Practical Introduction

Traditional Material Requirements Planning was designed for stable, predictable environments. Most supply chains today are neither. Demand-Driven MRP (DDMRP) is a methodology built explicitly for high variability and complexity — it uses strategically placed buffers to decouple demand signals and protect flow through the supply chain. Here is what it does, how it works, and when it makes sense to adopt it.

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Lean Six Sigma Belt Levels Explained: From White to Black
October 11, 2022 · 5 min read

Lean Six Sigma Belt Levels Explained: From White to Black

Lean Six Sigma uses a belt system borrowed from martial arts to signal depth of training, project scope, and organisational role. But the system is inconsistently applied across industries and certification bodies, which leaves practitioners and organisations unsure of what a given belt actually means. Here is a clear-eyed account of each level, what it requires, and when it matters.

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