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Social Norms and Influence
You need cheap, high-leverage influence and have exhausted the obvious
The most under-used lever in corporate change, and close to free. People take their behavioural cues from people like them, far more than from official communication.
Two kinds of norm
| Type | What it says | Example |
|---|---|---|
| Descriptive | What people actually do | “Most teams in your region now log calls same-day” |
| Injunctive | What people approve of | “Your colleagues think same-day logging is the professional standard” |
Descriptive norms are generally more powerful for routine behaviours. Injunctive norms matter more where the behaviour is visible and social judgement bites.
⚠️ The single most common mistake
Never publicise low compliance.
“Only 28% of managers have completed the new process.”
You have just told 72% of your audience that ignoring it is normal — and given the compliant minority a reason to wonder why they bothered. This backfires reliably, and it appears on adoption dashboards constantly.
Instead:
| If the number is bad | Do this |
|---|---|
| Low overall adoption | Report a trend: “up from 11% to 28% in a fortnight” |
| Low in most places | Report the best unit: “Northern region hit 84% — here’s how” |
| Low everywhere, no trend | Don’t report a number. Report a story. |
And when a number is genuinely good, say it loudly and specifically — with the smallest credible unit. “Your team” beats “your division” beats “the company”.
Practical norm tactics
- Make the behaviour visible. Norms need visibility. If work happens in private, nobody can see the shift. Shared dashboards, visible queues, “who’s done this” lists (positive framing only).
- Local comparison beats global. “Your team vs the site average” outperforms “you vs the company.”
- Name real people. “Sam in Operations has done this for three weeks — ask her what changed” is worth ten leadership emails.
- Use the credible messenger, not the senior one. Influence is source-dependent. For a frontline behaviour, a respected frontline peer beats a director every time. See Diffusion of Innovations.
- Public commitment. Specific, written, made to named colleagues, with a date. Dramatically outperforms private intention.
- Consistency. People act in line with their prior statements. Get them to articulate why the change makes sense in their own words — a two-minute conversation is worth more than an hour of being told.
The leadership shadow
Everything a leader does is a norm-setting act, whether they intend it or not. The organisation watches behaviour, not statements, and it reads carefully.
Things that quietly destroy a change:
- The director who asks for the report in the old format “just this once”
- The exec who doesn’t use the new system themselves
- The manager who says “I know it’s a pain, just do it for now”
- The leadership meeting where the change isn’t mentioned for a month
One visible bypass by a senior figure is worth roughly six weeks of comms — in the wrong direction. People aren’t cynical about change; they’re accurately reading the signals. If leaders don’t do it, it isn’t really required.
Make this concrete with Leader Behaviour Contract.
The peer network layer
Between “leadership says” and “I do” sits the layer that actually decides: what my team does, what my manager tolerates, what the person I respect thinks.
Most change programmes invest in the first layer and the last, and ignore the middle. Build it deliberately — Champion Network Playbook.
An ethical line worth holding
Social influence works, which is exactly why it needs care. The test: would this still work if the person could see exactly what you were doing and why?
Making good behaviour visible passes. Manufacturing a norm that doesn’t exist, or engineering shame, does not — and in a well-networked organisation it will be discovered and cost you the trust you need for the next change. Nudge in the open.
Links
→ EAST — Easy Attractive Social Timely → Nudge Library → Leader Behaviour Contract
← Back to the Behavioural Change Toolkit