Modeling Discourse and Social Dynamics in Authoritarian Regimes

James Pennebaker

Quick links


  • Austin Financial Planners, Austin, 2010
  • IEEE Conference on speech and language, Berkeley, CA 2010
  • National Counterterrorism Center, McLean, VA 2010
  • Invited address, Humboldt Society Meeting, Austin, TX, 2011
  • Invited address Society for Personality and Social Psychology, San Antonio, 2011
  • Discovery television program on deceptive language, New York City, 2011
  • Homeland Security Invited Address, AAAS Annual Meeting, 2011
  • Invited colloquium, School of Information, Syracuse University, NY 2011
  • Endowed Lecture, U.S. Air Force, Lackland, Air Force Base, San Antonio, 2011
  • Invited colloquium, Haverford College, 2011
  • International Health Psychology Conference, Coromandel, New Zealand, 2011
  • Special conference on text analysis in national security settings, FBI/NSF, Washington, DC 2011
  • Invited address, Association for Psychological Science, Washington, DC 2011
  • Resiliency Program workshop, Fort Sam Houston, San Antonio, TX 2011


  • The website is a public purchasing and information site for one of the primary software used in this grant project. The website includes demonstrations of study protocols used in collecting language data.


    The Linguistic Inquiry and Word Count (LIWC) product is a word counting software that is made up of a processor and a dictionary of grammatical, psychological, and content categories in English. Dictionaries with grammatical, psychological, and content categories have been developed in other languages for use with LIWC. Modern Standard Arabic LIWC dictionaries were completed. Chinese, French, Persian, Russian, and Turkish LIWC dictionaries are in various stages of development.

    LIWC is available for purchase on The software is freely shared between collaborators on this grant. The LIWC dictionaries are available to academic researchers by request for non-commercial purposes.