IQ shows both an overall level and differences between abilities
IQ tests that measure several abilities report two different kinds of information: overall IQ and a cognitive profile.
| Result | What it shows |
|---|---|
| Overall IQ | The broad level of learning, understanding, and reasoning shared across different tasks |
| Cognitive profile | Relative strengths and difficulties in abilities such as verbal comprehension, reasoning, visuospatial processing, working memory, and processing speed |
Overall IQ combines performance across different kinds of task into one score. A meta-analysis covering more than 100,000 participants found a comparatively strong relationship between intelligence and academic achievement (correlation .54). Overall IQ therefore provides meaningful information about a person's broad level of learning, understanding, and reasoning. What FSIQ means explains the role of this overall score in more detail.
Scores for separate abilities help when adapting work or study methods. Two people can have the same overall IQ even when one has abilities at similar levels and the other has a pronounced strength in one area and a relative difficulty in another. The conditions under which they perform best may therefore be different.
People with the same IQ can perform best under different conditions
A person with strong verbal comprehension and reasoning but relatively lower working memory may understand complex material yet lose part of an instruction while trying to remember who is responsible, the deadline, and the conditions at once. If processing speed is relatively lower, the same person may produce high-quality analysis with enough time but perform less well when rapid answers or large amounts of routine input are required.
Conversely, a person with strong visual reasoning and relatively lower verbal comprehension may grasp the structure faster from a diagram or completed example than from an abstract spoken explanation. Understanding cognitive profiles explains these combinations in more detail. The contrast between reasoning and the ability to hold and process information efficiently can also be viewed through GAI and CPI.
To connect a result to daily life, look for situations that repeatedly match the score pattern: spoken instructions are lost but written ones work, quality improves when a time limit is removed, or starting becomes easier when a completed example is available. These recurring differences identify conditions under which a person can use their abilities more effectively.
Use IQ results to create more conditions in which you can perform well
The result is most useful when it helps you change work or learning conditions so you can use your strengths without concentrating every demand on a relatively weaker process.
At work, recording several spoken conditions in writing reduces the need to hold them all in mind while acting. In learning, separating the work of understanding material from timed practice prevents depth of understanding from being confused with speed.
Working-memory training can improve performance on tasks similar to those practiced, but broad transfer to intelligence or reading has not been established. By contrast, cognitive offloading through notes and reminders can immediately reduce the amount of information that must be held in memory. Instead of waiting for an ability to change, creating more situations in which you can perform well often makes the result useful sooner.
How to read an IQ profile explains how to turn BrainTypeIQ results into practical changes.
Measure overall IQ and five cognitive abilities with BrainTypeIQ