Often people refer to "g" when discussing intelligence. Which of the following statements is true about this aspect of intelligence?

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BlackTom AI · Accepted Answer

Examining the question about the concept of 'g' (general intelligence) in psychology, we can evaluate each statement against the standard theory.
Option 1: 'It is what is measured by all IQ tests.' This is not accurate because IQ tests are designed to estimate general intelligence to varying extents, but they also tap into specific abilities and subtests. Some tests place more emphasis on certain cognitive domains, so claiming it is measured by all IQ tests overstates universality.
Option 2: 'It is inherited.' While there is evidence that genetic factors contribute to general intelligence, stating that it is inherited as a fixed trait is an oversimplification. Environmental factors, education, and measurement context all influence observed performance, so this blanket claim is incorrect.
Option 3: 'It is the same as a person's IQ score.' This conflates the concept of general intelligence (g) with a composite score (IQ). IQ is an operational measurement that estimates or reflects g among other things, but they are not identical; IQ scores are influenced by test design and scaling, not a pure definition of g itself.
Option 4: 'It is a single entity that is general intelligence.' This aligns with the concept of g as a single overarching factor proposed in psychometrics, representing the general cognitive ability that underlies performance across diverse tasks.
In summary, the first three options either misrepresent how IQ tests relate to g, oversimplify heredity and measurement, or confuse a score with the underlying construct. The statement that captures the core idea of g being a single general intelligence aligns with the standard interpretation in psychometrics.

Often people refer to "g" when discussing intelligence. Which of the following statements is true about this aspect of intelligence?

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