Designing for Behavior Change

Applying Psychology and Behavioral Economics

Stephen Wendel

Editor

Mary Treseler

Copyright © 2013 Stephen Wendel

All rights reserved.

O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (safari.oreilly.com). For more information, contact our corporate/institutional sales department: [phone] or [e-mail].

Editor: Mary Treseler Production Editor: Kara Ebrahim Copyeditor: Jasmine Kwityn Proofreader: Amanda Kersey Indexer: Angela Howard Cover Designer: Randy Comer Interior Designers: Ron Bilodeau and Monica Kamsvaag Illustrator: Leo Fonseca Compositor: Kara Ebrahim

October 2013: First Edition.

Revision History for the First Edition:

2013-10-25 First release

See http://oreilly.com/catalog/errata.csp?isbn=0636920030201 for release details.

Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Designing for Behavior Change and related trade dress are trademarks of O’Reilly Media, Inc.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark claim, the designations have been printed in caps or initial caps.

Although the publisher and author have used reasonable care in preparing this book, the information it contains is distributed “as is” and without warranties ...