The Signal Gap

How to Boost Believability and Influence in the Age of Doubt

Published by Ideapress Publishing
Distributed by Simon & Schuster

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About The Book

You’re communicating more than ever—across screens, tables, and threads. But are people believing you?

A new and unnerving reality has emerged: clarity is no longer enough. Hybrid work blurs tone, digital brevity flattens nuance, AI rewrites voices, and trust sits at an all-time low. People aren’t just listening to what we say – they are quietly testing whether they can believe us.

In this verification-first world, people don’t believe you based on your message alone, but on the signals they receive. When these drift or contradict each other—when there is a gap between your message and your tone or behavior over time—belief quietly degrades. Your message can be perfect…and still fail to do the job.

In The Signal Gap, Henna Pryor reveals the hidden mechanism of modern influence: keeping your signals aligned so people can confidently believe and trust what they hear from you. Grounded in behavioral science and original research, this practical system helps you diagnose and repair the hidden places your influence breaks down and achieve signal integrity.

You’ll learn how to:
  • Close the signal gap between your intended message and their interpretation.
  • Strengthen the signals people rely on to decide what’s real.
  • Make your communication confirmable, not just compelling.
  • Build credibility quickly, consistently, and sustainably.


This isn’t another book about authenticity or persuasion. It’s a book about building influence through believability, the ultimate performance skill in a world shaped by doubt. If your success depends on getting people to trust you—your leadership, ideas, recommendations, brand—this book is for you.

About The Author

Henna Pryor, CSP is a dynamic Workplace Performance Expert who speaks and writes about performance mindset, interpersonal dynamics, high-impact communication, and embracing bumps in a world that keeps optimizing for smoothness. She is a regular Expert Columnist for Inc. Magazine, 18x award-winning author of Good Awkward, and an in-demand global keynote speaker. Her playful personality and insightful talks blend 2 decades of working with corporate leaders and teams with a fresh, science-based approach to taking more strategic risks and boosting social and mental fitness for success at work. Her clients call her their “secret weapon for impossible change” — a title she wears proudly. In addition to speaking for TEDx, SXSW, and being frequently tapped by media outlets like Business.com, FastCompany, INSIDER, HuffPost, NBC, FOX, and more, she’s a SUCCESS Magazine Woman of Influence, LinkedIn Learning Instructor, and Glassdoor WorkLife Pro.

She graduated with her BS from University of Delaware, MS from University of Virginia, and received her Executive Coaching Certification from American University. She grew up in Newark, Delaware and currently lives with her husband, two kids, and puppy in Chester County, PA.

Product Details

  • Publisher: Ideapress Publishing (November 10, 2026)
  • Length: 300 pages
  • ISBN13: 9781646873098

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Raves and Reviews

"As Henna Pryor shows, the most dangerous thing a room can give you is the impression it’s still listening. Fortunately, The Signal Gap offers a framework for doing better — a set of smart, practical techniques for closing the distance between what we intend, what we actually convey, and what others eventually believe.” ––DANIEL H. PINK, #1 New York Times Bestselling Author of To Sell Is Human and Drive

"Henna Pryor can help us navigate a world filled with noise and mistrust. This book is profound and practical." ––SETH GODIN, Author of This is Marketing

The Signal Gap is a page-turner and a game-changer." ––ROBERT CIALDINI, Author of Influence and Pre-Suasion

"Trust used to be the byproduct of doing good work. Today, it's the differentiator, and most professionals have no idea how quickly they're losing it. Henna Pryor's The Signal Gap is a smart, practical roadmap for closing that gap and building the kind of credibility that actually compounds over time." ––DORIE CLARK, Wall Street Journal bestselling author of The Long Game

"One question. Do you want to be believed? If so, read this brilliant book." ––SAM HORN, Founder of The Force for Good Project

"When your being, doing, and saying is aligned, people know exactly what you stand for. When they aren't, you've got a signal gap. This book will help you be believed, increase your influence, and make magic." ––MICHAEL BUNGAY STANIER, Author of The Coaching Habit

"I've spent years telling people that trust is the whole ballgame, but Henna Pryor has artfully zeroed in on the part everyone skips over: how trust actually gets built or blown in the tiny signals you don't even know you're sending. The Signal Gap is sharp, practical, and uncomfortable in the best possible way. It'll change how you show up." ––JORDAN HARBINGER, Host of The Jordan Harbinger Show

"If you've ever delivered a written or spoken message that didn't land, then you've experienced what workplace performance expert and author Henna Pryor calls "The Signal Gap." In short, it's the space between intention and perception. The Black Hole or Bermuda Triangle into which our best and most important ideas disappear...or worse. But lucky for us, Henna is here to help with her wonderful new book, The Signal Gap! Capturing and holding our attention from start to finish, she provides us with a wealth of insightful examples and valuable tips intended to help us improve our "signal integrity" and enhance our ability to impact and influence others with greater confidence and skill." ––TODD CHERCHES, Executive Coach and Author of VisuaLeadership

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