Publications

Every child wonders, sooner or later, how it is that simply wanting one’s hands, arms, legs, body, head, or eyes to move suffices to create the wanted result…. — So begins this lovely essay and overview of the fundamental issues that cry out for answers. […]

The BYTE articles are a book unto themselves – a four-part introduction to PCT and modeling. […]

The Road Not Taken to a scientific psychology. […]

Letter to Philip J. Runkel, November 8, 1985 […]

About Perceptual Control Theory (PCT), some history, status, and what you will experience when studying PCT. Highlights from an introductory essay William T. (Bill) Powers wrote in May, 1980 […]

Comparing behaviorism, cognitive psych and PCT.
Misapprehensions and misstatements. […]

William T. Powers Many people have some sense of what control is about, but very few understand clearly how control works and even fewer (including control engineers) understand clearly what a control systems controls: Not […]

An effective introductory summary of what PCT is all about, by Bill Powers […]

The William Tuke Research Foundation was founded in 2020 by Dr. Anamaria Churchman and Danny Whittaker, inspired by a mutual interest in the interplay of mental health and social hardship, and the shared desire to create a credible research organization that marries together novel, innovative mental health research with ambitious, grassroots community projects. […]

Dag Forssell This script and the accompanying video are designed to introduce and demonstrate the basic concept of PCT. The article Perceptual Control: Management Insight for Problem Solving, in the book: Management and Leadership: Insight […]

Hugh G. Petrie “I think that this book will be ‘compulsory reading’ in graduate schools of education around the country, and that it will arouse a vigorous and healthy controversy by shaking people out of […]

Hugh G. Petrie “For most of his career, Hugh was way ahead of his time. His papers in this volume still are. The role of the evolutionary process of blind variation and selective retention in […]

Phil Runkel The spring semester is nearly half completed. I am using your book in two classes. My experience this year is identical to that last year., when I wrote to you, “As time passes […]

Timothy A. Carey “This new book is a great addition to the educational literature. It introduces educators to the most important and revolutionary new development in psychology in decades, PCT. And it does this in […]

Dag Forssell “When i first learned of PCT about seven years ago, I read everything I could get my hands on and your articles, for me, most clearly explained PCT. Somehow, your unique use of […]

Timothy A. Carey “I’ve just finished the Method of Levels, and I’m astonished, delighted, and inspired. I was a psychotherapist for many years, using a variety of approaches (predominantly Gestalt Therapy, several versions of family […]

Philip J. Runkel “I started reading your book to see whatever you have to say about systems. Then I really got fascinated by your book and read it from start to finish. Very impressive! And […]

Discovering new perspectives. Method of Levels (MOL) in Spanish. […]

Life – Leadership – Organization & Pedagogical Coach with over 40 years of experience.

Allison Powers established a Facebook page, WTPowersArchives, about Bill Powers’ personal archives at Northwestern University in Evanston, Illinois. Review and indexing of the materials is underway. Archivist: Kevin Leonard. […]

Martin Taylor, a long-time contributor to CSGnet considers his Layered Protocol Theory to be a subset of PCT. Here are some of his musings: http://www.mmtaylor.net/PCT/ […]