Updated on
October 9, 2026
Guilford's Theory of Intelligence: Structure of Intellect Model
Guilford classified intelligence by operations, contents and products. Learn how the model grew from 120 to 180 cells and why its evidence remains disputed.
What is Guilford's theory of intelligence?
Guilford's Structure of Intellect theory classifies mental abilities by three dimensions: the operation performed, the content involved and the product produced. The mature 1967 version contained 120 proposed abilities, later expanded to 150 and then 180. The taxonomy influenced creativity research, but its full factor structure did not gain strong psychometric support.
For teachers, Guilford's most useful question is whether a task asks for several possible answers or one answer that fits the rules. Use that distinction to plan when learners explore ideas and when they check them against evidence.
Try this tomorrow
Year 4 science, planning a fair test. Give learners three minutes to list ways to find which material keeps a drink warm. Then choose a plan where only the material changes.
Look for: learners keeping the water volume and starting temperature the same. If they change several things, model one comparison and ask them to revise the plan.
Year 10 English, reading a poem. List possible meanings of the final line, then keep readings supported by a quotation.
Look for: learners explaining how the quotation supports their reading. If they only repeat the line, model a link between one word and a claim.
What Is Guilford's Theory of Intelligence?
In this model, an ability is defined by a combination of parts rather than by a single score: one operation, one type of content and one product together make one cell (Guilford, 1956). That is why Guilford's work sits among the fundamental theories of learning as a theory about ability rather than about how learning happens.
Two kinds of task
Open ideas, then check them
Divergent productionGenerate several answersList possible readings of a poem's final line.
Convergent productionFind the answer that fitsSolve an equation with one correct solution.
Evaluation is the next check: judge an answer against the task's rules. A poem may still support more than one reading.
Key takeaways
- Guilford grouped skills by operation, content and product. He proposed many distinct abilities.
- The 1967 model had 120 cells. A split in figural content gave 150. A later split in memory gave 180.
- Guilford gave modern research a clear role for divergent production. Tests of it show creative potential, not creativity itself.
- Horn and Knapp found a grave flaw in the way the factors were confirmed. Later work found a layered shape for mental skills.
- The model should not label learners, find a deficit or dictate how to teach.
The Structure of Intellect (SOI) is a classification of proposed mental abilities. The wider guide to theories of intelligence sets it beside other accounts, while the limitations section below explains how much support the cube received.
Guilford rejected the view that one broad factor, known as g, could sum up the shape of the mind, and he looked instead for many narrow factors that he could place in a grid. That made his model broad and easy to picture, but it also meant that the grid itself had to survive a fair test.
A cell in the grid names a proposed ability. Guilford and his team built tests for many cells. Critics later asked whether their way of analysing the scores favoured the shape they expected to find.
Who Was J. P. Guilford?
Joy Paul Guilford (1897 to 1987) was an American psychologist born in Marquette, Nebraska. He studied with Edward Titchener at Cornell and joined the University of Southern California in 1940.
From 1942 to 1945, he led US Army Air Corps work on tests for pilots and other air crew. He then returned to the university and spent two decades studying mental skills (Comrey, 1993). His 1950 speech as head of the American Psychological Association helped make creativity a major field of research.
How the Model Developed
Guilford's model grew over almost four decades. His 1950 speech dealt with creative thought rather than a full cube, and the 1956 paper set out a system that was still being built; the well-known 120-cell form came in 1967, and the last change came in 1988.
In his 1950 speech to the American Psychological Association, Guilford called for more research on creativity. He argued that intelligence quotient (IQ) tests captured only part of creative ability (Guilford, 1950). His speech helped expand an existing field of enquiry.
The 1956 paper offered a new map of the adult mind using the three parts of the later model, but it was still a work in progress. It drew on about forty factors then found in earlier research (Guilford, 1956), which is a long way from proving a cube of 120 distinct abilities.
Guilford presented the mature cube in The Nature of Human Intelligence (Guilford, 1967). Five operations, four kinds of content and six products combine to give 120 proposed abilities. These combinations set out the theory; the tests had to establish which abilities the evidence supported.
Two later changes expanded the cube. Splitting figural content into visual and auditory content gave five kinds of content and 150 cells. The final revision split memory into recording and retention, giving six operations and 180 cells (Guilford, 1988).
The Three Dimensions
The model has three dimensions: operations, contents and products. Operations name what the mind does. Contents name the kind of data used. Products name the form of the result, and each full cell uses one term from each list.
The diagram below draws the 1988 cube and decodes one cell, so you can see how a single label is built.
Diagram · Build It
Read the cube one cell at a time
The 1988 version: 6 operations × 5 contents × 6 products = 180 proposed cells. Each cell names one operation working on one kind of content to give one kind of product.
Operations
Cognition, memory recording, memory retention, divergent production, convergent production, evaluation
Contents
Visual, auditory, symbolic, semantic, behavioural
Products
Units, classes, relations, systems, transformations, implications
Cell 1: cognition · semantic · units
Grasping what one word means. A vocabulary item, such as "What does ancient mean?", was Guilford's kind of test for it.
Same content and product, different operation: divergent production · semantic · units
Producing many words or ideas on the same content, such as "List as many things as you can that are round."
What the cube does not show. A cell is a proposed ability. Its place in the grid is not proof that it exists as a separate skill, and a learner's score on one task does not place them in a cell.
The sections that follow explain each dimension with a classroom example, because the terms are easier to grasp through an ordinary task than as a list.
Operations are the mental acts. Cognition means recognising or understanding information, such as grasping a word's meaning. Memory stores information and keeps it over time; Guilford later separated recording from retention (Guilford, 1967; Guilford, 1988).
Divergent production generates several possible answers, such as ways to end a story. Convergent production finds the answer allowed by the task, such as the solution to an equation.
Evaluation is judging an answer against a standard, such as checking whether an ending fits the rest of the story. Guilford treated finding an answer and judging it as different acts, which is why convergent production and evaluation have separate places in the grid.
Contents are what the thinking works on. A diagram is visual content, and a melody is auditory content. Letters, digits and musical notation are symbolic content.
Words and ideas supply semantic content. A classmate's frown or tone of voice provides behavioural content. In 1967, visual and auditory information shared one category, figural content, which Guilford later divided.
These categories describe the information in a task. Their role is to name its content, while claims about distinct abilities need separate evidence.
Products are the form the result takes. A unit is one item, such as a word. A class groups items with a shared feature, such as mammals.
A relation links two items, such as "is the opposite of". A system brings several links together, such as the steps of a method.
A transformation changes something, such as turning a sentence into the passive voice. An implication is what follows, such as predicting the next step. These labels make the proposed ability precise enough to study.
From 120 to 180 Abilities
The totals record changes to the model: 120, then 150, then 180 proposed abilities. The table separates each version's operations, contents and products, so the reason for each expansion stays clear.
| Version | Operations | Contents | Products | Count and meaning |
|---|---|---|---|---|
| 1967 mature model | Five: cognition, memory, divergent production, convergent production and evaluation | Four: figural, symbolic, semantic and behavioural | Six: units, classes, relations, systems, transformations and implications | 5 × 4 × 6 = 120 proposed cells. This is the cube in Guilford's 1967 book. |
| Intermediate expansion | Five, with memory still in one part | Five, after figural content was split into visual and auditory | The same six products | 5 × 5 × 6 = 150 proposed cells. This rise came from the content split, not the memory split. |
| 1988 final revision | Six, after memory was split into recording and retention | Five: visual, auditory, symbolic, semantic and behavioural | The same six products | 6 × 5 × 6 = 180 proposed cells. Guilford set out this last form in 1988. |
The order matters: the first rise came from splitting figural content and the second from splitting memory. Summaries that reverse them get the history wrong and hide why Guilford changed the model.
Each count describes all the combinations the model permits. The number of possible cells and the number supported by reliable tests are separate questions. The central dispute concerned whether the test methods gave the whole model a fair examination.
Divergent Production and Creativity
Divergent production is the best-known part of Guilford's work. It generates a range of ideas from a prompt or set of facts. Convergent production seeks the answer that fits the limits, and evaluation checks its quality.
Guilford's 1950 speech called for a broader study of creative ability (Guilford, 1950). Later research linked divergent production with fluency, flexibility, originality and elaboration. Each term describes an aspect of the ideas produced, and each needs clear scoring rules.
What are the key principles of Guilford's theory of creativity?
Guilford's theory of creativity focuses on fluency, flexibility, originality and elaboration: how many ideas people produce, how varied they are, how new they seem and how fully they are developed. Each describes an aspect of the ideas produced.
- Fluency: how many relevant ideas are produced.
- Flexibility: how many different categories those ideas cover.
- Originality: how unusual the ideas are for that task and group.
- Elaboration: how much detail develops an idea.
Compare ideas using the same prompt, time allowance and scoring rules. In class, these terms help you discuss the work learners produce; formal assessment requires a defined test and a reliable way to score it.
Runco and Acar describe divergent thinking as an indicator of creative potential (Runco & Acar, 2012). Turning that potential into creative work also involves knowledge, judgement, sustained effort and opportunities to develop the idea.
How much do these scores predict? A meta-analysis of 27 studies with 47,197 participants linked divergent thinking scores to creative achievement at r = 0.216. The link with IQ was r = 0.167 (Kim, 2008). Here, r is a correlation, a measure of the relationship between two scores.
The first relationship accounts for under 5% of the differences in achievement, so one score tells us little about an individual learner. Originality scores also depend on the group and the number of answers. Someone who produces more ideas has more chances to offer a rare one, and rarity alone says little about an idea's value (Silvia et al., 2008).
Open tasks let teachers observe how learners generate and develop ideas. Claims about creative potential require reliable assessment, while practical task design is explored in the guide to creativity in education.
What tests did Guilford use to measure divergent thinking?
Guilford and his colleagues used tasks such as Alternate Uses and Consequences to study divergent thinking, asking people to generate several responses rather than find a single correct answer to a problem. The examples below show the kind of prompt each uses.
- Alternate Uses: suggest different uses for an everyday object, such as a cardboard box.
- Consequences: explore what might follow from an imagined change, such as a world where people no longer need sleep.
Scores can focus on how many relevant answers appear, how varied they are, or how original they seem. The prompt and scoring method matter. Runco and Acar (2012) explain why divergent-thinking tests are indicators of creative potential, with validity that depends on what they aim to predict.
How are Guilford's tests related to the Torrance tests and SOI-LA?
The Torrance Tests of Creative Thinking use open tasks to explore ideas, while the Structure of Intellect Learning Abilities test, known as SOI-LA, uses Guilford's model to group the skills it aims to measure. These are different kinds of test.
One looks at what people do with an open prompt. The other groups scores using the cube's labels. Each test needs sound evidence for the claims made from its scores.
How closely are intelligence and divergent thinking linked?
Studies show a modest link between intelligence and divergent thinking: Gerwig and colleagues found a correlation of r = 0.25 across 112 studies, so the scores share some features but also differ.
The review drew on scores from 34,610 people. How the task was set and how answers were marked affected the link (Gerwig et al., 2021). It measured test scores; Kim's review looked at creative achievement.
Guilford theory of intelligence PDF: study notes and quick reference
The Guilford theory of intelligence PDF is a one-page A4 study note covering the three dimensions, the 120 to 150 to 180 sequence and the main evidence limits, with sources to follow up. Use the quick reference below to revise the terms, then get the printable from the download panel in the next section. The full-size original note and its accessible transcript are also available here.
Guilford quick reference
- Operation: what the mind does
- Recognise, remember, generate, find or judge an answer.
- Content: what it works on
- Visual, auditory, symbolic, semantic or behavioural information in the final model.
- Product: the form of the result
- A unit, class, relation, system, transformation or implication.
Example: understanding one word joins cognition, semantic content and units. Use the cube above to find that cell, and the chronology table to check the version.
Read the accessible study-note transcript
Direct answer: Guilford's Structure of Intellect theory groups proposed mental skills by operation, content and product. It is a past model, not a proven learner profile or way to teach.
Operations: the 1967 model had cognition, memory, divergent production, convergent production and evaluation. In 1988, memory was split into recording and retention. This gave six operations. Convergent production and evaluation stay apart.
Contents: the 1967 model had figural, symbolic, semantic and behavioural content. The split of figural content into visual and sound-based forms gave five contents.
Products: units, classes, relations, systems, transformations and implications name the proposed form of the result.
Correct order: five operations by four contents by six products gave 120 cells in 1967. The visual and sound-based content split gave 150. The later memory split gave six by five by six, or 180, in 1988.
Divergent production: Guilford made the open flow of varied ideas a key part of modern work on creative thought. Fluency, flexibility, originality and elaboration became well-known signs. Yet such scores show potential, not creativity itself.
Evidence limit: Horn and Knapp showed that the method used to back SOI could make random theories look sound. Carroll's large review found a layered shape with broad and narrow skills plus a general factor. This weakens the full cube but does not erase its place in history.
Use in school: an open prompt may help vary a task. The grid should not label learners, find gaps, dictate support or imply that work on one cell builds a distinct form of intelligence.
Evidence and Factor-Analytic Criticism
The full grid rests on factor analysis. This set of methods looks for shared trends in test scores. The main test is simple to state: can a fair method find the proposed shape without being told to seek that shape? Critics said Guilford's method failed this test.
Limitations and Critiques
Horn and Knapp looked at studies used to back SOI. They challenged the use of target, or Procrustean, factor rotation. With this method, an analyst turns the factors towards a form set in advance. They showed that it could make random theories look as if the data backed them (Horn & Knapp, 1973).
This is a serious flaw in the case for the full cube. It does not make every task worthless or every proposed ability false. It means these results could not give the whole model a fair test.
Later research used other data and methods. The careful conclusion remains that support for the full grid was weak, and a major method used to confirm it faced a strong objection.
This point keeps two facts apart. The cube is a clear map of Guilford's claims. It is not proof of those claims. At the same time, later work could still study small skills such as fluency without taking on the whole cube.
The grid cannot tell a school which cell fits a learner. It cannot prove that a learner has a visual or semantic style. It cannot find a need from one piece of class work. Nor can it show that work on one cell will build a distinct skill in the mind.
Relationship to Modern Ability Models
Later tests showed that mental skills often form layers. Small skills sit within broad groups, with a general factor at the top (Carroll, 1993). This is a different shape from Guilford's grid.
Carroll studied hundreds of sets of test scores with one common method. The broad groups covered thinking through new problems, learned knowledge, memory, sight, sound, recall and speed. The page on fluid intelligence explains how people reason through new problems.
The Cattell-Horn-Carroll (CHC) family brings past work into one broad frame. McGrew traces how it grew and how it informs tests of mental skill (McGrew, 2009). The guide to Cattell-Horn-Carroll theory explains these broad and narrow skills in more detail.
Other theories group skills in different ways. Sternberg's triarchic theory covers how we analyse, create and act in daily life. Gardner's multiple intelligences names broad domains, such as language and music. Each makes its own claims, which need their own evidence.
Guilford helped researchers ask about a wider range of skills and study how people form new ideas. His terms still have a place in that work. Later models gave tests of intelligence a stronger base.
What are the five theories of intelligence?
Lists of five theories of intelligence vary by course: a common selection is Spearman, Thurstone, Cattell, Gardner and Sternberg, but the number reflects the topics taught rather than an agreed set. For a Guilford comparison, use the six models below. They ask different questions about intelligence, so read the claims within each theory.
| Theory | Main organising idea | Difference from Guilford |
|---|---|---|
| Spearman | A general factor, g, shared across tasks, alongside specific abilities. | Guilford emphasised many proposed abilities in a three-dimensional grid. |
| Thurstone | Primary mental abilities, such as verbal understanding, number and spatial ability. | Broad clusters of ability rather than operation-content-product cells. |
| Cattell | Fluid intelligence for new problems and crystallised intelligence based on learned knowledge. | Two broad abilities rather than a large cube of narrow combinations. |
| Gardner | Multiple broad intelligences, such as linguistic, spatial and musical intelligence. | Domains of intelligence rather than Guilford's three crossed dimensions. |
| Sternberg | Analytical, creative and practical intelligence. | A three-part account with different categories from the SOI cube. |
| Guilford | Operations × contents × products, giving 120, 150 or 180 proposed abilities by version. | Separates divergent production, convergent production and evaluation. |
What are the four main theories of intelligence?
There is no single standard set of four main theories of intelligence; teaching summaries often choose four contrasting accounts, so check which theorists your course names before using a revision list. For example, a comparison could select Spearman, Thurstone, Gardner and Sternberg. A course focused on psychometric models may include Cattell instead. The number of theories in a list reflects the course's scope.
What Education Can and Cannot Take
Guilford's vocabulary helps teachers describe the answer a task seeks. Some tasks have a single correct solution. Others invite several interpretations, explanations or designs that can be judged against evidence.
Both forms can serve a lesson when their purpose is clear. Use the terms to describe the task and the criteria for success.
A class may first list several interpretations of a text, then check each one against quotations. This makes the shift from generating ideas to evaluating evidence visible. The next teaching move can focus on how learners explain the link.
Judge ideas for their relevance and quality as well as their originality. Learners who produce more answers have more chances to offer an unusual one (Silvia et al., 2008). Formal assessment requires defined scoring rules and skilled judgement.
Worked Example: Year 4 Science, Open Then Narrow
A Year 4 class plans to investigate which material keeps a drink warm longest. The teacher gives learners three minutes to suggest ways to find out. They propose wrapping cups, feeling them after lunch, using a thermometer and asking a lunchtime supervisor which cups stay hot.
This is the open step. The teacher records the ideas before the class judges them.
The narrow step comes next. The class checks each idea against one rule: "only one thing changes". They choose a thermometer plan with the same water volume and starting temperature. They agree what to measure and when.
Look for learners naming the material as the one thing they change. If a plan changes both the cup and the wrapping, model a comparison using identical cups. Ask learners to revise their plan and explain why the comparison is fair.
Worked Example: Year 10 English, Many Readings, Then Evidence
A Year 10 class studying a poem is asked to list as many readings of the final line as they can in four minutes, working alone before comparing with a partner. Some readings are hopeful, some bitter, and one learner suggests the speaker is joking; nothing is ruled out yet.
The class keeps readings supported by a quotation and drops those the text contradicts. Two earlier lines support the joking reading. A claim about the poet's own life lacks evidence in the poem.
Learners finish with a paragraph explaining the reading they can support best. Look for a clear link between their claim and the quotation. If they repeat the quotation without explaining it, model how one word supports a reading and ask them to revise.
Can Teaching Build Creative Thinking?
Guilford hoped that divergent production could be trained, and later research tested that hope. A review of 70 studies found that well-designed creativity training raised performance, and that the most successful programmes taught thinking strategies through realistic tasks in the subject at hand (Scott et al., 2004). In a study of secondary learners, training in divergent thinking improved scientific creativity, and learners with more subject knowledge gained more (Sun et al., 2020).
The size of the effect is smaller than the early studies suggested. The largest review, of 169 studies and 844 effect sizes, found an average gain of 0.53 standard deviations, which fell to between 0.29 and 0.32 after correcting for publication bias (Sio & Lortie-Forgues, 2024). In primary schools only 6 studies met a high quality bar (Ruiz-del-Pino et al., 2022), and in adults, training the narrowing step worked better than training idea generation alone, across 332 effect sizes averaging g = 0.53 (Haase et al., 2025).
These figures describe average changes on the measures each study used. Hedges' g is an effect size expressed in standard deviations, a common unit for comparing gains. This differs from the general intelligence factor g discussed above.
The evidence check below sets these five sources side by side.
The practical reading is that creative thinking can be taught, modestly, and that it is best taught inside a subject, with a clear step where ideas are judged against the task.
Plan an Open Task, Then Narrow It
The mini app below turns Guilford's split between producing ideas and choosing among them into a two-step task for your subject and phase.
Mini app · Build It
Plan an open task, then narrow it
Guilford separated producing many ideas from choosing the one that fits. Pick a subject and a phase to get a two-step task that asks for both, with what to notice and what to avoid.
A way to describe and plan a task, not a test of intelligence. Adapt the prompts to your own topic.
Each task keeps the open step short and the narrow step explicit, so learners know before they start how their ideas will be judged.
Open Tasks: What Teachers Say
Recent classroom posts describe the same two steps in everyday words: get every idea out, then work on the best. The table below sets three of those routines beside the research on teaching creative thinking.
How teachers use it · Open, then narrow
Many ideas, then the right one
Teachers on social media rarely name Guilford, but some run his split between producing many ideas and choosing the one that fits. The routine and notice columns are our summary of each post; the evidence column is the research, not the post.
| Routine, as teachers describe it | What you would notice | What the evidence says |
|---|---|---|
| Collect every idea, then choose some to build on | ||
we pick some good ones to share and ask students how it can be built further upon or if they agree and why |
Every learner writes an answer on a board, and the class then works on the strongest few. The choosing is done in the open, with reasons, rather than by the teacher alone. | Across 332 effect sizes in adults, creativity methods averaged g = 0.53, and training the narrowing step worked better than training idea generation alone (Haase et al., 2025). |
| Brainstorm, then put the ideas in order | ||
1. Brainstorm: Write down every idea, related to your story, in bullet points. 2. Organise your ideas into a logical sequence. |
Learners write every idea first without judging it, then choose and sequence the ones that serve the story. The two steps are kept apart, as Guilford kept divergent and convergent production apart. | Across 70 studies, the most effective creativity training taught strategies through realistic tasks in the subject at hand (Scott et al., 2004). This row is one teacher's account, not a trial. |
| Mark the ideas against a rubric, not the finish | ||
i am not grading on the quality of the artwork, i am grading on the quality of the ideas |
The rubric says in advance that ideas are being judged, so learners who cannot draw well are not marked down for it, and nobody has to guess what the teacher wants. | Counting rare answers mostly rewards the learner who writes the most; rating the quality of a learner's best ideas avoided that (Silvia et al., 2008). |
All three routines make the choosing step visible and give it rules. That matters because learners often read an open task as a guessing game about what the teacher secretly wants, as the posts below describe.
The first two come from a long thread about why learners distrust tasks with more than one right answer.
In their own words · September 2026
When open tasks feel like a trap
Three short posts from social media. Two explain why learners distrust tasks with more than one right answer, and a former GCSE marker describes what happens when every answer looks the same.
This is downstream of students never being given an assignment where there could be multiple correct answers. They assume ambiguity is a trap.
they are given assignments with multiple correct answers, but are punished when they don't choose the one the teacher wants.
I stopped marking GCSE English papers. Marking almost identical answers devoid of spark or original thinking was too depressing.
The fix these posts point to is simple: publish how ideas will be judged before anyone starts generating them. A rubric that names fit to the task as the first test protects the learner whose idea is unusual but relevant, and it stops the unusual but irrelevant idea from winning by surprise.
Guilford's terms help readers distinguish generating ideas, finding an answer and evaluating its quality. The guide to critical thinking explores judgement in more depth. The collection below compares this historical model with other accounts of learning and their evidence.
Try one open-then-narrow task this week. Give learners three minutes to list ideas without judging them, then two minutes to test each idea against the task and keep the best two. Count how many ideas fit rather than how unusual they are, and use what you see to plan the next lesson.
Frequently Asked Questions
Use these answers to check which version of the model you are reading. They also help you keep a task's aim apart from claims about a learner's skills.
How many abilities are in Guilford's theory?
It depends on the version: 120 in 1967, 150 once figural content was divided, and 180 in 1988 once memory was divided as well (Guilford, 1967; Guilford, 1988).
What are the three dimensions of the Structure of Intellect model?
Take a vocabulary question: understanding it is the operation (cognition), word meaning is the content (semantic), and the single word is the product (a unit). Every cell of the cube is named by one choice from each of those three lists.
Is divergent thinking the same as creativity?
Divergent thinking is an indicator of creative potential, while creativity also involves developing ideas that are original and useful. Runco and Acar (2012) explain why a test score and creative achievement are different outcomes.
Creative work must also be apt and useful in its field. It draws on skill, care, choice and the chance to build an idea.
Is Guilford's Structure of Intellect model supported by evidence?
The case for the full grid is weak. Horn and Knapp showed that its test method could make random theories look sound (Horn & Knapp, 1973). Later large reviews found a layered shape instead. Some small skills and Guilford's work on creative thought still had a life of their own.
Is Guilford's theory the same as multiple intelligences?
Gardner names broad kinds of intelligence, such as skill with language or music, while Guilford's cube joins three dimensions to describe up to 180 proposed abilities, so the models use different categories. Each needs its own evidence.
Use the table above to compare what each model claims. A task that uses words or music can be described in either model, but the labels have different meanings.
Can teachers use the SOI model in the classroom?
Teachers can use Guilford's language to describe whether tasks ask learners to generate ideas, find an answer or judge its quality. The worked examples above show how to make those purposes visible in a lesson.
What did Guilford mean by convergent production?
Convergent production means finding the answer that best fits the information and rules of a task, such as solving an equation with one correct solution; evaluation then checks the quality of that answer. This differs from generating several possibilities. In classroom discussion, explain when you want learners to explore ideas and when a task has a defined answer.
Is Guilford's theory still used?
Guilford's model is still taught in the history of intelligence, and his ideas about divergent thinking remain part of creativity research, while later models play a larger role in ability tests. His terms help separate making ideas, finding an answer and judging its quality. The evidence section explains why tests gave the full grid weak support.
Guilford theory of intelligence PPT: what should the slides cover?
A Guilford theory of intelligence presentation should explain operations, contents and products, distinguish the 120 and 180 versions, and show why generating ideas differs from finding or evaluating an answer in class. Copy this three-slide outline into your own presentation. Use the A4 study note for the full chronology and source list.
Three-slide presentation outline
- Slide 1: Read one cell. An operation works on a kind of content to give a product. Understanding one word joins cognition, semantic content and units.
- Slide 2: Check the version. The 1967 model had 5 operations × 4 contents × 6 products = 120 proposed abilities. The 1988 version had 6 × 5 × 6 = 180.
- Slide 3: Apply the distinction. Generate readings of a poem, then judge them against quotations. Use the model to describe the task; the full grid has weak psychometric support.
Quick quiz: can you read the SOI model?
Answer each question before opening its explanation. Use the answers to check the terms rather than to score a learner's intelligence.
Self-check quiz
1. Which operation generates several possible answers?
Divergent production. Convergent production seeks the answer that fits the task's rules.
2. In a vocabulary task, what kind of content is a word's meaning?
Semantic content. The operation is cognition when the task asks learners to understand that meaning.
3. What changed the model from 150 to 180 cells?
Memory was split into recording and retention. This gave six operations, combined with five contents and six products.
4. Does a place in the cube prove a separate ability?
No. Each cell names a proposed ability. Its existence as a separate factor needs evidence from valid tests.
References
- Carroll, J. B. (1993). Human Cognitive Abilities: A Survey of Factor-Analytic Studies. Cambridge University Press.
- Comrey, A. L. (1993). Joy Paul Guilford, 1897-1987. Biographical Memoirs of the National Academy of Sciences, 62. National Academy Press.
- Gerwig, A., Miroshnik, K., Forthmann, B., Benedek, M., Karwowski, M., & Holling, H. (2021). The Relationship between Intelligence and Divergent Thinking: A Meta-Analytic Update. Journal of Intelligence, 9(2), 23.
- Guilford, J. P. (1950). Creativity. American Psychologist, 5(9), 444-454.
- Guilford, J. P. (1956). The Structure of Intellect. Psychological Bulletin, 53(4), 267-293.
- Guilford, J. P. (1967). The Nature of Human Intelligence. McGraw-Hill.
- Guilford, J. P. (1988). Some Changes in the Structure-of-Intellect Model. Educational and Psychological Measurement, 48(1), 1-4.
- Haase, J., Hanel, P. H. P., & Gronau, N. (2025). Creativity Enhancement Methods for Adults: A Meta-Analysis. Psychology of Aesthetics, Creativity, and the Arts, 19(4), 708-736.
- Horn, J. L., & Knapp, J. R. (1973). On the Subjective Character of the Empirical Base of Guilford's Structure-of-Intellect Model. Psychological Bulletin, 80(1), 33-43.
- Kim, K. H. (2008). Meta-Analyses of the Relationship of Creative Achievement to Both IQ and Divergent Thinking Test Scores. The Journal of Creative Behavior, 42(2), 106-130.
- McGrew, K. S. (2009). CHC Theory and the Human Cognitive Abilities Project: Standing on the Shoulders of the Giants of Psychometric Intelligence Research. Intelligence, 37(1), 1-10.
- Ruiz-del-Pino, B., Fernández-Martín, F. D., & Arco-Tirado, J. L. (2022). Creativity Training Programs in Primary Education: A Systematic Review and Meta-Analysis. Thinking Skills and Creativity, 46, 101172.
- Runco, M. A., & Acar, S. (2012). Divergent Thinking as an Indicator of Creative Potential. Creativity Research Journal, 24(1), 66-75.
- Scott, G., Leritz, L. E., & Mumford, M. D. (2004). The Effectiveness of Creativity Training: A Quantitative Review. Creativity Research Journal, 16(4), 361-388.
- Silvia, P. J., Winterstein, B. P., Willse, J. T., Barona, C. M., Cram, J. T., Hess, K. I., Martinez, J. L., & Richard, C. A. (2008). Assessing Creativity with Divergent Thinking Tasks: Exploring the Reliability and Validity of New Subjective Scoring Methods. Psychology of Aesthetics, Creativity, and the Arts, 2(2), 68-85.
- Sio, U. N., & Lortie-Forgues, H. (2024). The Impact of Creativity Training on Creative Performance: A Meta-Analytic Review and Critical Evaluation of 5 Decades of Creativity Training Studies. Psychological Bulletin, 150(5), 554-585.
- Sun, M., Wang, M., & Wegerif, R. (2020). Effects of Divergent Thinking Training on Students' Scientific Creativity: The Impact of Individual Creative Potential and Domain Knowledge. Thinking Skills and Creativity, 37, 100682.
