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Several independent websites provide in-depth information about Perceptual Control Theory.

This list copied from IAPCT.org


This well developed website is maintained by Dr. Warren Mansell from the University of Manchester as an international resource for the dissemination of PCT. Includes information such as what psych students think of PCT, links to YouTube videos, presentations about the Method of Levels and much more.


Originated as a site in support of a book, the site has expanded over time to include an extensive list and presentation of PCT literature, provide papers on PCT as well as and tutorials and simulations for DOS and Windows computers.


Rick Marken's website features books, articles, demonstrations and other learning materials. The demonstrations are programmed to run using a web-browser.


Site focused on PCT and CSG archives. CSGnet, the discussion email list originated in 1992 can be downloaded from here and read in its entirety. Threads on various subjects, created in the early 1990s, dubbed by some "The Best of CSGnet" are featured as pdf files, ensuring that formatting and ASCII figures are properly displayed.
      Stand by for completion in the near future.


Website supporting The Wonder Weeks: How to stimulate your baby’s mental development and help him turn his 10 predictable, great, fussy phases into magical leaps forward, by Hetty van de Rijt and Frans Plooij.
       This book shows how and when the levels of perception outlined by Hierarchical PCT develop in human infants. The English edition enjoys excellent reviews at Amazon and numerous comments by mommy-bloggers, saying that the predictions about the timing and nature of infant mental development in the first 20 months are right on.


Hugh Gibbons' website in support of and as a follow-on to The Death of Jeffrey Stapleton. This site introduces the idea that the sense of justice and law is rooted in our biology and therefore rather uniform around the globe and throughout history. Will is explained using the concepts of PCT.


Website hosted by Dr Rupert Young, an independent researcher and technologist..

Personal/partial sites

Richard Kennaway, Research Fellow at the school of comuting sciences at the University of East Anglia and colloborator with Bill Powers on Bill's 2008 book Living Control Systems III: http://www2.cmp.uea.ac.uk/~jrk/
Notice Perceptual control theory and robotics as well as Real-time procedural humanoid animation, also an application of PCT.

Bruce Abbott, professor of psychology at Indiana University–Purdue University Fort Wayne (IPFW), and colloborator with Bill Powers on Windows programs for Bill's 2008 book Living Control Systems III, has posted this synopsis of PCT. http://users.ipfw.edu/abbott/pct/pct.html

Management Consultant Fred Nickols has written an introduction to PCT in plain management language. http://www.nickols.us/PCT101Primer.pdf

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/




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