03 · Size the liftFree · illustrative

Size the lift.

Four inputs. The annual value of moving your team's psychological safety score — modeled across the three things that change when people feel safe to speak up.

Headcount500

255,000+

Average salary$70,000

$40k$200k+

Current safety score45

0100+

Target safety score80

0100+

Illustrative model. Figures draw on published research by Amy Edmondson, Google's Project Aristotle and Gallup on psychological safety, engagement and turnover; your numbers will vary. Built to size the opportunity, not to promise a return.

Value of a speak-up culture

$1,347,500

modeled on a +35-point lift in safety

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Problems surfaced early$428,750

Errors and risks flagged while they're still cheap to fix

Retention$612,500

People stay on teams where it's safe to speak

Ideas & discretionary effort$306,250

The thinking people keep to themselves when it isn't safe

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