Taibi Kahler

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Taibi Kahler (born 1943) is a clinical psychologist, author, and presidential communications advisor. He added the concepts of the Mini-script and Drivers[1] to Transactional analysis theory[2] and developed them into the 'Process Therapy Model' (PTM) and the 'Process Communication Model' (PCM) of human personality and communication. PTM / PCM theory was used at NASA to vet astronaut candidates for the shuttle programme and Bill Clinton used it to tailor his political speeches. PCM is currently applied to corporate management, interpersonal communications, education,[3] and real-time analysis of call centre interactions.[4][5]


Kahler developed the Personality Pattern Inventory (PPI) which has been filled out by over 1,400,000 people worldwide. In 1977, he received the Eric Berne Memorial Scientific Award from the International Transactional Analysis Association.[6] Applying Kahler's theories to the field of communications, he argues that any population can be divided into six different personality types (denoted thinker, harmoniser, persister, rebel, imaginer, promoter) and that by modifying how we say what we say, according to the personalities of those we interact with, we can become more effective communicators.[7]

Authored books[edit]

  • The Mastery of Management (2006), ISBN 978-0970118523
  • The Process Therapy Model: The Six Personality Types with Adaptations (2008), ISBN 978-0981656502
  • Transactional analysis revisited (1978), Little Rock, AR: Human Development Publications
  • Process therapy in brief: the clinical application of miniscript (1979), Little Rock, Ark, Human Development Publications
  • NoTAtions: A guide to TA literature (1978), with Brown, M. Dexter, Mich: Huron Valley Institute


  1. ^ "Kahler's Drivers".
  2. ^ Winners of the Eric Berne Memorial Scientific Award 1971–1987 and the Eric Berne Memorial Award 1994–2012, ITAA
  3. ^ "MUSE School on PCM -". Retrieved 2015-04-11.
  4. ^ Conway, Kelly (2008). "Methods and systems for determining customer hang-up during a telephonic communication between a customer and a contact center". US Patent Office.
  5. ^ Steiner, Christopher (2012). “Automate This: How Algorithms Came to Rule Our World”. Penguin Group (USA) Inc., New York. ISBN 9781101572153.
  6. ^ Kahler, Taibi. (1978). The annual Eric Berne memorial scientific award acceptance speech. Transactional Analysis Journal, 8(1), 2-4
  7. ^ Boyd, E.B. "How a Personality Test Designed to Pick Astronauts is Taking the Pain Out of Customer Support." FastCompany. December 2, 2010. http://www.fastcompany.com/1706766/how-personality-test-designed-pick-astronauts-taking-pain-out-customer-support