What it argues
The Trust Factor is Paul Zak's attempt to build an evidence-based case for why trust in organizations is not a soft management concept but a measurable biological phenomenon with hard consequences for performance. Zak is a neuroeconomist at Claremont Graduate University, and he has spent over a decade measuring oxytocin — a hormone associated with social bonding — in workplace and experimental settings. His central claim is that high-trust organizations outperform low-trust ones on every metric he can measure, and that leaders can deliberately raise trust levels through specific management behaviors.
Zak introduces an acronym, OXYTOCIN, where each letter represents a management practice that his research associates with elevated oxytocin: Ovation (recognition), eXpectation setting, Yield (empowering people), Transfer of control, Openness, Caring, Invest (in people's growth), and Natural (being genuine). The list is built from surveys, biometric measurements in organizations, and controlled experiments. Each chapter walks through one practice with a mix of neuroscience and organizational case examples.
What it gets right
- 1.
Trust in organizations is not abstract: Zak argues it can be measured biologically via oxytocin and is directly linked to performance, retention, and engagement.
- 2.
High-trust organizations report that employees are more productive, more energetic, less burned out, and significantly less likely to leave.
- 3.
Recognition of achievement — specific, timely, and public — is one of the most reliable trust-builders in Zak's research.
What it covers
Who wrote it
Paul J. Zak is a professor of economic sciences, psychology, and management at Claremont Graduate University, where he founded the Center for Neuroeconomics Studies. He is widely credited with helping establish neuroeconomics as a field and has published more than 200 peer-reviewed articles on trust, oxytocin, and human behavior. His TED Talk on the trust hormone has been viewed millions of times. He consults with organizations around the world and is also the author of The Moral Molecule.
