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What is the Turing test? worksheet

Try some AI tests

The original Turing Test involved a human interrogator using a computer terminal, which was in turn connected to two additional, and unseen, terminals. At one of the unseen terminals is a human; at the other is a piece of computer software or hardware written to act and respond as if it were human.

The interrogator would converse with both human and computer. If, after a certain amount of time (Turing proposed five minutes, but the exact amount of time is generally considered irrelevant), the interrogator cannot decide which candidate is the machine and which the human, the machine is said to be intelligent.

This test has been broadened over time, and generally a machine is said to have passed the Turing Test if it can convince the interrogator into believing it is human, without the need for a second, human, candidate.

In response to the challenges of the Turing Test, many programmers have designed software that responds to human conversation by asking questions and other such tricks. Such software is often called an Eliza-type program (after one of the earliest of these programs).

 

With the other students in your group try out two of these programs:

  • BRIAN http://www.strout.net/info/science/ai/brian/
    An Eliza-type program written for a competition held in Sydney ('Brian' thinks he is a 19-year old student attending college in 'Sidney' [sic]); a version of BRIAN can be downloaded to Macintosh OS computers.
  • 20Q.net http://www.20q.net/ 20Q.net
    This is a unique chat bot that initially seems like a simple game of 20 Questions. However, this artificial intelligence-based engine learns as it plays the game so that, over time, it plays more intelligently. As such, it is fascinating to play, then to play it again later and see how well it performs. Note that this site can take some time to load but it well worth the wait!

    Other chat bots can be accessed via BotSpot ChatBots at http://bots.internet.com/search/s-chat.htm

Author: Noel Gough