What is intelligence?
Intelligence is the ability to:
- Learn new things.
- Understand information.
- Solve problems.
- Think and reason.
- Adapt to new situations.
There is no single definition that all psychologists agree on.
Spearman's Theory (g Factor)
British psychologist Charles Spearman believed people have one general intelligence called g.
- A person with higher g usually performs well in many thinking tasks.
- Different skills, like maths and language, are linked by this general ability.
Cattell's Theory
Raymond Cattell divided intelligence into two types.
Fluid Intelligence
This is the ability to:
- Solve new problems.
- Think quickly.
- Notice patterns.
- Adapt to new situations.
Example:
Finding a new route home because your usual road is closed.
Crystallized Intelligence
This is the knowledge you have learned through:
- School
- Life experiences
- Reading
- Practice
Example:
Knowing multiplication tables or remembering historical facts.
Think of it this way:
| Fluid Intelligence | Crystallized Intelligence |
|---|---|
| Solving new problems | Using knowledge you already know |
| Thinking and reasoning | Memory and learning |
Sternberg's Triarchic Theory
Robert Sternberg believed there are three kinds of intelligence.
1. Analytical Intelligence
Sometimes called book smarts.
People are good at:
- Studying
- Analysing information
- Maths
- Exams
- Logical thinking
Example:
Solving a difficult maths question.
2. Practical Intelligence
Sometimes called street smarts.
People are good at:
- Everyday life
- Making sensible decisions
- Solving real-world problems
Example:
Working out how to fix something without instructions.
3. Creative Intelligence
People are good at:
- New ideas
- Imagination
- Thinking differently
- Finding unusual solutions
Example:
Making a toy from recycled materials.
Gardner's Multiple Intelligences
Howard Gardner believed people have many different kinds of intelligence, not just one.
These include:
- 📖 Linguistic (language)
- 🔢 Logical-mathematical
- 🎵 Musical
- 🏃 Bodily-kinesthetic (movement)
- 🧭 Spatial (visual thinking)
- 😊 Interpersonal (understanding other people)
- 🤔 Intrapersonal (understanding yourself)
- 🌳 Naturalistic (understanding nature)
Gardner believed everyone has different strengths.
Many teachers like this theory because it recognises different talents, although many psychologists say there is not enough scientific evidence to support it fully.
Emotional Intelligence
Emotional intelligence means understanding emotions.
Someone with high emotional intelligence can:
- Understand their own feelings.
- Understand other people's feelings.
- Show empathy.
- Build relationships.
- Control emotions appropriately.
Some researchers believe emotional intelligence helps people succeed in work and life, although psychologists still debate how it should be defined and measured.
What is Creativity?
Creativity is the ability to:
- Create new ideas.
- Think differently.
- Invent something.
- Solve problems in new ways.
Creativity is useful in:
- Art
- Science
- Engineering
- Business
- Everyday life
It is not only for artists.
Divergent and Convergent Thinking
Divergent Thinking
Thinking of many different answers.
Example:
"How many different uses can you think of for a paper clip?"
Possible answers:
- Open a letter
- Make jewellery
- Reset electronics
- Hold papers together
Convergent Thinking
Finding one correct answer.
Example:
What is 8 × 7?
Answer: 56
Remember for Your Quiz
✅ Intelligence is the ability to learn, think, solve problems, and adapt.
✅ Fluid intelligence = solving new problems.
✅ Crystallized intelligence = using knowledge you already know.
✅ Sternberg's three intelligences:
- Analytical = Book smarts
- Practical = Street smarts
- Creative = New ideas
✅ Gardner believed people have multiple intelligences.
✅ Emotional intelligence means understanding and managing emotions.
✅ Creativity is generating new ideas and solutions.
✅ Divergent thinking = many possible answers.
✅ Convergent thinking = one correct answer.
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