Intro

In this episode, Helen and Sarah borrow brilliance from a powerful Harvard Business Review article by James Elfer, Siri Chilazi, and Edward Chang on the science of behaviour change at work.They unpack the “Four T’s” model, a practical framework used in big organisations to drive measurable behaviour change. But instead of keeping it theoretical, they apply it to real team challenges like:

- Reducing interruptions in meetings

- Prioritising important work over easy tasks

- Keeping objectives alive (not just setting them)

- Moving from “busy” to genuinely impactful

You’ll hear how to get specific about the behaviour you want to change, design simple interventions that fit your culture, introduce them at the right moment, and measure whether they’re actually working. If you’ve ever said, “We know what to do… we’re just not doing it,” this episode will give you a structured, science-backed way to close that say-do gap, without adding more noise to your workload.

Episode 539

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(00:00) How to Change Behaviour at Work

(01:00) The Four T’s explained

(05:49) Step 1: Target the right behaviour

(07:02) Step 2: Build your theory of change

(08:28) Step 3: Make it timely

(09:27) Step 4: Test the effect

(10:48) Real examples from teams

📚 Resources Mentioned

To Change Company Culture, Start with One High-Impact Behavior: https://hbr.org/2026/01/to-change-company-culture-start-with-one-high-impact-behavior

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