Books
Doing Research on Purpose
Richard S. Marken (2014) The core of the book are six papers by Dr. Richard S. Marken which have been published in peer reviewed journals over the past decade explaining why Perceptual Control Theory (PCT) […]
Bill Powers
The difference between causes and mechanisms of behavior
William T. Powers (2011) In PCT, we say that organisms learn control, not behavior. But the meaning of that isn’t self-evident — isn’t controlling also behaving? The organization of a control system, in most cases, […]
Events
IAPCT conference 2026
36th IAPCT Conference – York, UK | October 7-10, 2026 + MOL practitioners meeting, October 12+13, near Manchester (tbc). We’re excited to announce that the 36th IAPCT Conference and Annual Meeting will take place near […]