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I Gave ChatGPT an IQ Test. Here’s What I Discovered

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Summary

In this opinion piece, the author tested the ChatGPT chatbot using the Wechsler Adult Intelligence Scale (WAIS) and found that it scored an impressive Verbal IQ of 155. This score is superior to 99.9% of the people in the American WAIS III standardization sample. Although the chatbot was able to ace the verbal subtests of the WAIS, it was unable to take the nonverbal tests, and it still fails at tasks that require humanlike reasoning and understanding of the physical and social world. The high IQ score of the chatbot has implications for the definition of intelligence and raises questions about the validity of IQ tests.

Q&As

What is the Wechsler Adult Intelligent Scale (WAIS) and what is its mean IQ score?
The Wechsler Adult Intelligent Scale (WAIS) is a commonly used IQ test that consists of six verbal and five nonverbal subtests that make up the Verbal IQ and Performance IQ components, respectively. The mean IQ score is set at 100 points.

How did ChatGPT perform on the Verbal IQ scale subtests?
ChatGPT performed very well on the Verbal IQ scale subtests, reaching the maximum attainable scores on the Vocabulary, Similarities, Comprehension, Information and Arithmetic subtests.

What is the g factor and how does it relate to IQ testing?
The g factor is a general factor of intelligence that is hypothesized to underlie the concordance of measurements for varying human cognitive skills. IQ tests such as WAIS are based on this hypothesis.

What types of tasks does ChatGPT fail at?
ChatGPT easily fails at tasks that require real humanlike reasoning or an understanding of the physical and social world, such as obvious riddles or questions that require logical reasoning.

How did the author's IQ score compare to ChatGPT's?
The author's IQ score did not quite reach the level of ChatGPT's (mainly a result of his very brief answers lacking detail).

AI Comments

👍 This article is an insightful look into the capabilities of ChatGPT and the implications of its impressive IQ score in comparison to the average human. It provides a detailed explanation of the IQ testing process and the results, as well as an engaging analysis of the implications of ChatGPT's results.

👎 The article fails to consider the potential ethical implications of giving an AI an IQ test, and its suggestion that AI is not yet capable of humanlike reasoning is contradicted by its own examples of the chatbot's highly detailed answers.

AI Discussion

Me: It's about a psychologist who gave a chatbot an IQ test to see how smart it was by human standards. The chatbot performed very well, scoring an IQ of 155 which is superior to 99.9 percent of the test takers in the American WAIS III standardization sample.

Friend: Wow, that's really impressive. It seems like AI technology is really advancing.

Me: Yeah, it does! But the article also points out that although the chatbot scored highly on the IQ test, it still failed at tasks that required real humanlike reasoning or an understanding of the physical and social world. This implies that there are aspects of intelligence that cannot be measured by IQ tests alone. So, even though AI is advancing, it still can't compete with the complexity of human intelligence.

Action items

Research other AI chatbots and compare their performance on IQ tests.
Explore the implications of AI chatbots on the field of psychology and the validity of psychological testing.
Develop a research project to further investigate the relationship between AI chatbots and human intelligence.

Technical terms

ChatGPT: ChatGPT is an artificial intelligence (AI) chatbot that is capable of writing academic essays, telling jokes, explaining scientific concepts, and composing and debugging computer code.
Wechsler Adult Intelligent Scale (WAIS): The Wechsler Adult Intelligent Scale (WAIS) is a commonly used IQ test that consists of six verbal and five nonverbal subtests that make up the Verbal IQ and Performance IQ components, respectively.
Full Scale IQ: The Full Scale IQ measure is based on scores from all 11 subtests of the WAIS.
Standard Deviation: The standard deviation of the points on the testing scale is 15, meaning that the smartest 10 percent and 1 percent of the population have IQs of 120 and 133, respectively.
Vocabulary Subtest: The Vocabulary subtest measures word knowledge and verbal concept formation.
Similarities Subtest: The Similarities subtest measures abstract reasoning and concept formation skills.
Information Subtest: The Information subtest is a test of general knowledge and reflects intellectual curiosity, level of education and ability to learn and remember facts.
Arithmetic Subtest: The Arithmetic subtest measures the ability to solve arithmetic problems.
Digit Span Subtest: The Digit Span subtest measures short-term memory and cannot be administered to the chatbot due to its lack of the relevant neural circuitry.
Factor Analysis: Factor analysis is a statistical method used to identify the underlying structure of a set of variables. It was developed by Charles Spearman and is used to measure intelligence.
g Factor: The g factor is a general factor of intelligence that is believed to underlie the concordance of measurements for varying human cognitive skills.