Tests of vocabulary, spatial reasoning, and verbal reasoning appear to have strong correlations. This discovery supports the existence of general intelligence.
A construct known as general intelligence is made up of various cognitive skills. People can learn new things and solve problems thanks to these skills.
This overarching mental capacity underlies the particular mental abilities associated with domains like spatial, numerical, mechanical, and verbal abilities. This general intelligence is supposed to affect how well people perform all cognitive tasks.
Many contemporary intelligence tests gauge some of the cognitive traits thought to contribute to general intelligence. The idea behind these tests is that intelligence can be quantified and expressed as a single number, like an IQ score.
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