PARRY
Sign in to savePARRY was an early example of a chatbot, implemented in 1972 by psychiatrist Kenneth Colby.
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- source code repository URL
- www.cs.cmu.edu/afs/cs/project/ai-repository/ai/areas/classics/parry
- inception
- 1972-00-00
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PARRY was an early example of a chatbot, implemented in 1972 by psychiatrist Kenneth Colby.
==History== PARRY was written in 1972 by psychiatrist Kenneth Colby, then at Stanford University. While ELIZA was a simulation of a Rogerian therapist, PARRY attempted to simulate a person with paranoid schizophrenia. The program implemented a crude model of the behavior of a person with paranoid schizophrenia based on concepts, conceptualizations, and beliefs (judgements about conceptualizations: accept, reject, neutral). It also embodied a conversational strategy, and as such was a much more serious and advanced program than ELIZA. It was described as "ELIZA with attitude".