What are Gardner's multiple intelligences?

Howard Gardner originally proposed seven intelligences in 1983 — linguistic, logical-mathematical, musical, bodily-kinesthetic, spatial, interpersonal and intrapersonal — then added naturalistic in 1999. He has also discussed a possible existential intelligence without fully endorsing it as a ninth.

Is multiple intelligences theory scientifically proven?

No. Large studies that tested people across Gardner's proposed intelligences generally found the scores correlate with one another rather than acting as independent abilities, which supports the traditional single-factor model of intelligence rather than Gardner's claim that the intelligences are separate.

Is multiple intelligences the same thing as IQ?

No. IQ tests measure a narrower set of reasoning and knowledge abilities and combine them into one score. Gardner's theory proposes a much broader, unvalidated list of talents — including musical and bodily-kinesthetic ability — that IQ tests do not attempt to measure at all.

If the evidence is weak, why is it still taught in schools?

The theory's appeal is largely educational and motivational — it encourages teachers to value a wider range of student strengths — rather than scientific. Its popularity in classrooms has continued even as psychometric research has found little support for it as a model of how intelligence is actually structured.

Gardner's Theory of Multiple Intelligences: Claims vs. Evidence

Psychologist Howard Gardner's theory of multiple intelligences argues that intelligence is not one general ability captured by a single score, but a set of largely independent talents — musical, bodily, interpersonal and more, alongside the logical and verbal skills IQ tests measure. It is one of the most influential ideas in modern education. It is also one of the most contested ideas in the psychology of intelligence. Here is what the theory actually claims, why it caught on so widely, and what happens when it gets tested empirically.

The eight (and a tentative ninth) intelligences

Gardner first proposed seven intelligences in Frames of Mind (1983), then added an eighth in 1999 (Gardner, 1983):

Linguistic — facility with words and language.
Logical-mathematical — reasoning, numbers, abstract pattern-finding — the closest overlap with what a traditional IQ test measures.
Musical — sensitivity to rhythm, pitch and tone.
Bodily-kinesthetic — control and coordination of the body, as in athletes or dancers.
Spatial — mentally manipulating shapes and space.
Interpersonal — reading and working effectively with other people.
Intrapersonal — self-understanding and self-regulation.
Naturalistic — recognizing and classifying patterns in the natural world (added 1999).

Gardner has also floated a possible ninth, existential intelligence — sensitivity to "big questions" about life and meaning — without fully committing to it as a formal category.

Why it's popular, especially in schools

The theory's appeal is easy to see: it tells every student they are intelligent in some way, rather than ranking them on one axis. For teachers, it offers a vocabulary for valuing skills a conventional test ignores — music, movement, social skill — and a justification for teaching the same material through different formats. That is a genuinely useful pedagogical idea whether or not the underlying claim about the structure of intelligence turns out to be correct, which is part of why the theory has stayed influential in education even as psychometric researchers grew skeptical of it.

What the evidence actually shows

When Gardner's proposed intelligences have been measured directly and tested against each other, the results have not supported independence. Visser, Ashton and Vernon (2006) built tests for each of Gardner's domains and found that people who scored well on one tended to score well on the others — the pattern predicted by a single general factor (g), not by eight unrelated abilities. A separate critical review reached a similar conclusion about the broader claims made for the theory in education and popular science (Waterhouse, 2006). None of this proves people don't have different strengths — clearly they do — but it argues against those strengths being separate intelligences in the measurable, psychometric sense of the word.

How this differs from an IQ test

A standard IQ test, as we cover in what an IQ test actually measures, deliberately limits itself to a narrow band of reasoning and knowledge tasks precisely because those are the tasks that reliably correlate with each other and can be scored against a norm. Gardner's framework is trying to answer a different, broader question — what forms can human ability take — and was never built or validated as a scoring instrument the way an IQ test is. Emotional intelligence is the one adjacent construct with a more established measurement tradition of its own, which is part of why it is treated separately from Gardner's eight.

Where that leaves the theory

Multiple intelligences theory is best read today as an educational philosophy with real classroom value, not as a scientifically validated map of how intelligence is structured — the two can both be true at once. If you are curious what a conventional, single-score reasoning test actually says about you, our age-normed free IQ test measures the general-reasoning construct this article contrasts with, and gives your score and percentile in around the same time it takes to read this page.