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The Helix Group · Active Inertia Diagnostic
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Leadership Self-Assessment · 16 Questions

Are your past success patterns limiting your leadership effectiveness?

Donald Sull's Active Inertia framework identifies four mechanisms through which the habits, relationships, and beliefs that produced past success can quietly work against future progress — in organizations and in individual leaders.

This diagnostic helps you assess where active inertia may be taking hold in your leadership. It is a tool for reflection, not a performance review — the value is in what you do with the questions, not the score.

Framework basis: This diagnostic is adapted from Donald Sull's Active Inertia framework, originally published in the Harvard Business Review (1999) and applied here to individual leadership and career effectiveness. The four mechanisms — Blinders, Routines, Shackles, and Dogmas — are Sull's original framing. The diagnostic questions are Helix Group adaptations for leadership self-assessment.
Mechanism 1

Blinders

Your strategic frame — the mental model you use to read situations — may be filtering out signals that don't fit what you already know.

Mechanism 2

Routines

The habits and practices that drove your success may have become the default response even when a different approach would serve better.

Mechanism 3

Shackles

The expectations embedded in your professional relationships may be constraining your ability to act in ways that are genuinely new.

Mechanism 4

Dogmas

The values and beliefs about what works — formed through real experience — may have hardened into rules that resist examination.