The Turing Test is a measure of a machine’s ability to exhibit intelligent behavior, similar to or indistinguishable from that of a human. Proposed by the British mathematician Alan Turing in 1950, the test involves a human evaluator who interacts with a machine and a human through a computer interface. If the evaluator cannot consistently distinguish which is the human and which is the machine based on their responses, the machine is considered to have passed the test, demonstrating what is often referred to as “strong AI”, or artificial intelligence on par with human intelligence.
While the Turing Test is a significant concept in the philosophy of artificial intelligence, it has been criticized for not necessarily proving intelligence in a machine. Critics argue that a machine could be programmed to mimic human responses without understanding the meaning behind them.
Some machines have claimed to have passed the Turing Test. The most notable of these is a chatbot named “Eugene Goostman”, 13-year-old chatbot from Odessa, Ukraine who doesn’t speak English well. In 2014 it was reported to have convinced 33% of the judges that it was a real boy during a five minute conversation. However, this has been subject to controversy and criticism. You can chat with Eugene here: http://eugenegoostman.elasticbeanstalk.com/
There are several other tests and proposals that aim to assess machine intelligence:
Chinese Room Argument: Proposed by philosopher John Searle, this thought experiment argues that a program can’t understand language merely by passing the Turing Test. It proposes that a system can follow rules for manipulating symbols without understanding the meaning behind those symbols.
Winograd Schema Challenge: Designed as an alternative to the Turing Test, this challenge asks AI to disambiguate sentences with subtle nuances that typically require real-world knowledge and reasoning capabilities.
The Coffee Test: Proposed by robotics expert Ben Goertzel, the coffee test requires a robot to enter an average American home and figure out how to make coffee: find the coffee machine, find the coffee, add water, find a mug, and brew the coffee by pushing the proper buttons.
The Robot College Student Test: This test, also suggested by Goertzel, requires a robot to enroll in a university, take and pass classes in the same way a human would, and obtain a degree.
The Employment Test: This test involves a robot performing a job as well as a human, in any field, such as a chef, firefighter, or office worker.
Each of these tests provides a different perspective on the challenge of creating intelligent machines, focusing not just on conversation but on understanding, problem-solving, and real-world functionality.