Gardner's Multiple Intelligences: What the Theory Says and How Far to Trust It

Howard Gardner's theory of multiple intelligences, set out in his 1983 book Frames of Mind, argues that intelligence is not one general ability but several relatively separate ones, such as linguistic, logical-mathematical, musical and spatial intelligence. Teachers embraced it, while many psychologists remain sceptical, mainly because research keeps supporting a general intelligence factor and because Gardner stretches the word 'intelligence' to cover abilities others would call talents. This guide explains the theory, the eight intelligences, how they connect to IQ, and where the evidence stands.

What is the theory of multiple intelligences?

The theory of multiple intelligences, usually shortened to MI, proposes that human intelligence is made up of distinct modalities rather than a single general capacity. Howard Gardner, an education professor at Harvard University, introduced it in Frames of Mind: The Theory of Multiple Intelligences, published in 1983.

Gardner defined intelligence as "a biopsychological potential to process information that can be activated in a cultural setting to solve problems or create products that are of value in a culture." Two parts of that definition matter. First, intelligence is a potential, not a fixed quantity. Second, culture decides which problems and products count. In Gardner's words, the intelligences begin as "a set of uncommitted neurobiological potentials" that are shaped by communication and by a culture's existing systems of meaning.

This was a deliberate break with the older view that being clever mainly means reasoning about abstract ideas, the kind of ability that IQ tests and school exams reward. If you want the background on that older tradition, it helps to know what IQ stands for and how the intelligence quotient was built.

How did Gardner decide what counts as an intelligence?

Gardner did not start from test scores. Traditional models of intelligence were built by running statistical analyses on psychometric test data, looking for factors behind academic achievement. From the late 1970s, Gardner instead surveyed several disciplines and cultures to find abilities essential to human development, drawing on psychology, neurology, biology, sociology, anthropology and the arts and humanities. The work grew out of Project Zero, a Harvard research project on how people learn and think.

Each candidate ability had to meet eight criteria reasonably well:

• it can be isolated by brain damage
• it has a place in evolutionary history
• it has identifiable core operations
• it can be encoded in a symbol system, such as notation or language
• it follows a distinct developmental progression
• it shows up in savants, prodigies and other exceptional people
• it has support from experimental psychology
• it has support from psychometric findings

The intelligences were also meant to be relatively autonomous from one another. Abilities that failed the criteria were set aside or reconceptualised. Gardner's approach was unusual for its time in linking intelligence directly to brain systems, when cognitive neuroscience was still in its infancy.

What are Gardner's eight intelligences?

In 1983 Gardner listed seven intelligences. He later added an eighth, naturalistic. Briefly:

• Linguistic. Sensitivity to words and their meanings: reading, writing, storytelling, rhetoric and verbal comprehension.
• Logical-mathematical. Logic, abstraction, calculation and reasoning, including grasping the principles behind a causal system.
• Visual-spatial. Visualising with the mind's eye and judging spatial arrangements, used in drafting, building, fine art, architecture and design.
• Musical. Sensitivity to pitch, rhythm, melody, timbre and tone, shown in singing, playing or composing.
• Bodily-kinesthetic. Using the body skilfully and learning through movement, games and hands-on tasks.
• Interpersonal. Perceiving and responding to other people's feelings, motivations and ways of relating.
• Intrapersonal. Being in touch with your own feelings, values, motivations and limits.
• Naturalistic. Recognising and distinguishing patterns in living things and natural environments.

Gardner stressed that the intelligences work together. A sports coach, for example, combines kinesthetic, interpersonal and linguistic intelligence; a corporate manager draws on interpersonal, linguistic and logical-mathematical skills. Each intelligence also has recognised deficits, such as aphasia and dyslexia for linguistic ability, or congenital amusia and beat deafness for musical ability.

Are there only eight intelligences?

Gardner's own list stands at eight, but others have extended or reshaped it. Some classroom materials add an existentialist intelligence, describing people who learn by asking big-picture questions such as why we are here, the territory of philosophy.

Other frameworks split Gardner's categories more finely. The Multiple Natures framework, developed by Steven Rudolph, turns the eight into ten by separating gross bodily movement from fine hand and finger control, and graphic visual work (line, colour, composition) from spatial visual understanding (navigating and arranging things in space). The argument is that these distinctions matter in practical activities.

Researchers have also tried combining MI with Robert Sternberg's triarchic theory, so that each intelligence can be expressed in creative, analytical and practical ways. Linguistic ability, for instance, might appear as definitions and essays, as clear spoken directions, or as poetry and imaginative word play.

The fact that the list can grow or split so easily is itself part of the scientific debate, which we come to below.

How do multiple intelligences relate to IQ?

They overlap more than popular accounts suggest. The two intelligences most closely tied to traditional IQ, or general intelligence, are linguistic and logical-mathematical. Verbal ability is among the most g-loaded abilities, meaning it correlates strongly with general intelligence, and the academic side of linguistic intelligence is measured by the verbal scores on the WAIS-IV. Logical reasoning is closely linked to fluid intelligence; the difference between reasoning and learned knowledge is covered in our guide to fluid vs crystallized intelligence.

Spatial ability is often treated as a third element. In the hierarchical model of intelligence it is one of the factors underlying general intelligence, and many tests include tasks such as block design and mental rotation.

Where MI departs from IQ is the remaining intelligences. Musical, bodily-kinesthetic, interpersonal, intrapersonal and naturalistic abilities are not easily assessed by a standard IQ test, and Gardner argued this is a gap in the tests rather than a sign that those abilities are not intelligences. An IQ score, in other words, captures a meaningful slice of ability, mainly reasoning, verbal and spatial skill, but Gardner would say it is not the whole picture.

Why did teachers embrace the theory?

When Frames of Mind appeared, psychologists mostly looked the other way. Teachers reacted very differently. The book matched what many educators already saw: children with real aptitudes for music, sport or emotional understanding that ordinary tests never picked up. Boston University education professor Scott Seider has described the response as a "grassroots uprising" of educators who took up MI "with a genuine passion."

In practice, schools used the theory to justify varied teaching strategies aimed at different student strengths. Some built their whole approach around it. The Multiple Intelligence International School in Quezon City, founded as a preschool in 1996 by Mary Joy Canon-Abaquin, was the first school in the Philippines to base its approach on Gardner's framework, and focuses on eight intelligences across its curriculum.

Classroom materials based on MI tend to share a few messages: everyone has all the intelligences, intelligences can be strengthened, any profile is a snapshot that can change, and the point is to empower pupils rather than label them. Those are humane principles, and they help explain the theory's lasting appeal in education even where the science is contested.

What do critics say about multiple intelligences?

The main objection is about the word itself. Critics argue that calling musical skill or self-understanding an "intelligence" stretches the concept beyond its usual meaning. Some suggest the categories describe talents, personality traits or abilities rather than separate forms of intelligence.

The second objection is empirical. Research repeatedly finds a general intelligence factor, or g: people who do well on one type of mental task tend to do well on others. That pattern sits awkwardly with the idea of largely independent intelligences, and the theory's overlap with g is plain in the linguistic, logical and spatial areas. Gardner's reply is that his model offers a more nuanced picture of human abilities, and that his criteria draw on wider evidence than test statistics alone.

There is also a common confusion between MI and learning styles, the idea that each pupil learns best through one preferred channel. These are often treated as the same thing, and education writers have flagged this as a widespread misunderstanding of Gardner's work. Describing a person's strengths is not the same as claiming lessons must be matched to them.

The fair summary is that MI remains the subject of lively, unresolved debate.

How should you use the idea of multiple intelligences?

Treat MI as a useful vocabulary for talking about strengths, not as a measurement system. Questionnaires that sort you into intelligence types are self-reports: at best they offer an initial profile you should check against real examples from your own life, including activities you have had little chance to try. Capacities can develop with sustained effort, practice and support, so a profile is not a verdict.

If you are curious about reasoning ability specifically, that is what an IQ test is designed to estimate. Be realistic about what any single test can do; our guide to online IQ tests and their accuracy explains the limits, and the IQ score ranges and bands show how results are usually described. If you simply want to stretch your logical and spatial thinking, practice puzzles with worked answers are a low-stakes start.

Neither an MI profile nor an IQ score can diagnose a learning difficulty. If you have concerns about a child's language, attention or development, speak to a teacher, GP or educational psychologist.

Frequently asked questions

Sources

1. Theory of multiple intelligences (Wikipedia)
2. Multiple Intelligence International School (Wikipedia)
3. Multiple intelligences: overview and Gardner's theory
4. The Ten Intelligences — Multiple Natures® International
5. Multiple Intelligences Update_Project Power
6. Redefining Smart: Multiple Intelligences | Edutopia