Thinking
Nagaland Board · Class 11 · Psychology
NCERT Solutions for Thinking — Nagaland Board Class 11 Psychology.
Interactive on Super Tutor
Studying Thinking? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for ncert solutions and more.
1,000+ Class 11 students started this chapter today
Review Questions — Chapter 7: Thinking (Class 11 Psychology)
1Explain the nature of thinking.Show solution
Concept: Thinking is a higher-order cognitive process involving the manipulation of mental representations.
Answer:
Thinking is a complex mental process through which we manipulate information — both newly acquired and previously stored in memory. Its key features are:
1. Internal / Covert process: Thinking occurs inside the mind and cannot be directly observed; it can only be *inferred* from a person's behaviour or verbal reports.
2. Involves mental representations: When we think, we do not deal with real objects directly. Instead, we use:
- Mental images — internal, pictorial representations of objects or events (e.g., imagining the layout of your classroom).
- Concepts — mental categories that group objects, events, or ideas sharing common properties (e.g., the concept 'fruit').
3. Goal-directed: Most thinking is purposeful — we think in order to solve a problem, make a decision, or understand something.
4. Manipulative: Thinking involves transforming, combining, and reorganising information to produce new knowledge or solutions.
5. Types of thought processes: Simple thinking includes forming images and using concepts; complex thought processes include problem solving, reasoning, decision-making, judgment, and creative thinking.
Conclusion: In essence, thinking is the cognitive activity that allows human beings to go beyond the information immediately available to them, enabling planning, creativity, and rational behaviour.
2What is a concept? Explain the role of concept in the thinking process.Show solution
Definition of Concept:
A concept is a mental category or representation that groups together objects, events, people, or ideas that share common properties or features. For example, 'vehicle' is a concept that includes cars, buses, bicycles, etc.
Role of Concepts in Thinking:
1. Cognitive Economy (Reduces mental load): Without concepts, we would have to think about every object individually. Concepts allow us to group similar things together, saving mental effort. For instance, once we know the concept 'bird', we do not need to re-learn features for every new bird we encounter.
2. Organising Knowledge: Concepts help us organise our knowledge into a structured, hierarchical system (e.g., 'animal' → 'mammal' → 'dog' → 'Labrador'). This organisation makes retrieval and use of information efficient.
3. Facilitating Communication: Shared concepts allow people to communicate complex ideas quickly. When we say 'justice' or 'democracy', the listener immediately accesses a rich set of associated meanings.
4. Enabling Reasoning and Problem Solving: Concepts serve as the building blocks of reasoning. When we reason ('All mammals are warm-blooded; a whale is a mammal; therefore a whale is warm-blooded'), we rely entirely on concepts.
5. Generalisation: Concepts allow us to apply past learning to new situations. If we know the concept 'fire is dangerous', we apply it to any new fire we encounter.
Conclusion: Concepts are the fundamental units of thought. They make thinking faster, more organised, and more powerful by allowing us to deal with classes of things rather than individual instances.
3Identify obstacles that one may encounter in problem solving.Show solution
Concept: Problem solving is thinking directed towards finding a solution to a specific problem. Several psychological factors can block this process.
Major Obstacles in Problem Solving:
1. Mental Set:
A mental set is the tendency to use a previously successful strategy to solve a new problem, even when that strategy is no longer the most efficient one. It creates a 'cognitive rut'. For example, in the water-jar problem (Activity 7.2), participants who solved the first five problems using the formula B − A − 2C kept applying it even when a simpler method was available.
2. Functional Fixedness:
This is the tendency to perceive an object only in its usual, conventional function, making it difficult to see it as a tool for solving a new problem. For example, a person may not think of using a coin as a screwdriver because a coin is 'meant' for currency.
3. Lack of Motivation:
Problem solving requires sustained mental effort. If a person is not motivated to solve the problem, they will not invest the necessary cognitive resources and may give up prematurely.
4. Lack of Persistence:
Even motivated individuals may stop trying after initial failures. Persistence — continuing to attempt different strategies — is essential for solving difficult problems.
5. Irrelevant Information:
Sometimes extra, misleading information in a problem distracts the solver from the relevant facts, making it harder to identify the correct solution path.
6. Assumption of Constraints:
People often impose imaginary constraints on a problem. The classic nine-dot problem illustrates this — solvers assume the lines must stay within the square formed by the dots, even though no such rule exists.
Conclusion: Effective problem solving requires awareness of these obstacles so that one can consciously try to overcome them through flexible, creative thinking.
4How does reasoning help in solving problems?Show solution
Definition of Reasoning:
Reasoning is a goal-directed thinking process in which we draw conclusions or inferences from known information (premises). Like problem solving, it involves moving from what is known to what is unknown.
Types of Reasoning and Their Role:
1. Deductive Reasoning:
- Moves from general principles to specific conclusions.
- Structure: If the premises are true and the logic is valid, the conclusion *must* be true.
- Example:
- Premise 1: All living things need water.
- Premise 2: A rose is a living thing.
- Conclusion: Therefore, a rose needs water.
- Role in problem solving: Helps us apply known rules or principles to specific cases, allowing us to predict outcomes and eliminate wrong solutions systematically.
2. Inductive Reasoning:
- Moves from specific observations to general conclusions.
- The conclusion is probable, not certain.
- Example: After observing that the sun has risen every day of one's life, one concludes that the sun always rises in the east.
- Role in problem solving: Helps us form hypotheses and generalisations from experience, which can then guide future problem-solving attempts.
How Reasoning Helps in Problem Solving:
- Reasoning allows us to evaluate possible solutions before acting on them, saving time and effort.
- It helps in identifying the correct path by logically ruling out incorrect alternatives.
- It enables us to use prior knowledge (stored concepts and rules) to tackle new problems.
- Reasoning provides a structured, systematic approach rather than random trial and error.
Conclusion: Reasoning is an indispensable tool in problem solving. It provides the logical framework within which we analyse problems, generate solutions, and verify their correctness.
5Are judgment and decision-making interrelated processes? Explain.Show solution
Definitions:
- Judgment: The process of drawing conclusions, forming opinions, or making evaluations about objects, people, or events. It involves assessing the likelihood or quality of something (e.g., 'This route is probably faster').
- Decision-Making: The process of choosing among several available alternatives. It involves selecting the best course of action from multiple options (e.g., 'I will take Route A instead of Route B').
Are They Interrelated? — Yes, they are deeply interrelated:
1. Judgment precedes Decision-Making: Before we can make a decision, we must first make judgments about the available alternatives — evaluating their pros and cons, estimating probabilities of success, and assessing their value. Without judgment, decision-making would be blind.
2. Decision-Making uses Judgment: When choosing among alternatives, we rely on our judgments about each option. For example, when choosing a career, we judge the prospects, our abilities, and our interests before deciding.
3. Both involve evaluation under uncertainty: In real life, we rarely have complete information. Both judgment and decision-making require us to estimate, infer, and evaluate with incomplete data.
4. Heuristics affect both: Mental shortcuts (heuristics) such as the *availability heuristic* (judging probability by how easily examples come to mind) influence both our judgments and the decisions we make based on those judgments.
5. Errors in judgment lead to poor decisions: If our judgment is biased or incorrect, the decisions based on it will also be flawed. For example, overestimating the risk of flying (judgment) may lead someone to choose a statistically more dangerous mode of transport (decision).
Conclusion: Judgment and decision-making are two sides of the same cognitive coin. Judgment provides the evaluative input; decision-making is the output — the choice made on the basis of those evaluations. They are best understood as complementary, interrelated processes.
6Why is divergent thinking important in creative thinking process?Show solution
Definitions:
- Convergent Thinking: Thinking that moves towards a single, correct, well-established answer. It is the type of thinking measured by standard intelligence tests.
- Divergent Thinking: Thinking that moves outward in many directions from a given starting point, generating multiple, varied, and original ideas or solutions. It is associated with creativity.
Importance of Divergent Thinking in Creative Thinking:
1. Generates Multiple Solutions: Divergent thinking allows a person to produce many possible answers or ideas rather than just one. This increases the probability of arriving at a truly novel and effective solution.
2. Encourages Originality: By exploring unusual and unconventional paths, divergent thinking produces ideas that are original — a core requirement of creativity.
3. Overcomes Mental Set: Divergent thinking helps break free from habitual ways of thinking (mental set) and functional fixedness, which are major blocks to creativity.
4. Fluency, Flexibility, and Elaboration: Divergent thinking is characterised by:
- Fluency — producing a large number of ideas.
- Flexibility — producing ideas across different categories.
- Originality — producing rare or unique ideas.
- Elaboration — developing and refining ideas in detail.
All these qualities are essential for creative output.
5. Foundation of Creative Problem Solving: In creative thinking, the problem often does not have one right answer. Divergent thinking is the engine that generates the raw material (many ideas) from which the best creative solution is eventually selected.
Conclusion: While convergent thinking helps us find the *correct* answer, divergent thinking helps us find *new* answers. It is the cornerstone of the creative process because creativity, by definition, requires going beyond the obvious and the conventional.
7How can creative thinking be enhanced?Show solution
Concept: Creative thinking can be cultivated by consciously removing blocks and actively practising strategies that promote original thought.
Strategies to Enhance Creative Thinking:
1. Overcoming Blocks to Creativity:
- Identify and challenge mental sets and habitual thinking patterns.
- Overcome functional fixedness by deliberately trying to see objects and ideas in new ways.
- Reduce fear of failure and judgment — a non-evaluative, safe environment encourages risk-taking in thought.
2. Brainstorming:
- Generate as many ideas as possible without evaluating or criticising them at the generation stage.
- Quantity is encouraged over quality initially; evaluation comes later.
- This technique promotes fluency and flexibility of thought.
3. Analogical Thinking:
- Draw comparisons between the problem at hand and something from a completely different domain.
- Many scientific discoveries have come from analogies (e.g., the structure of the atom compared to the solar system).
4. Exposure to Diverse Experiences:
- Reading widely, travelling, engaging with art, music, and science broadens the knowledge base from which creative connections can be made.
5. Incubation:
- After intense work on a problem, stepping away and allowing the unconscious mind to process information often leads to sudden insights (*'Aha!' moments*).
6. Encouraging Curiosity and Questioning:
- Asking 'What if...?' and 'Why not...?' questions challenges assumptions and opens new avenues of thought.
7. Positive and Supportive Environment:
- Creativity flourishes when individuals feel psychologically safe, are intrinsically motivated, and are not under excessive external pressure or evaluation.
8. Practice of Divergent Thinking Exercises:
- Regularly practising tasks like 'list all possible uses of a brick' trains the mind to think flexibly and originally.
Conclusion: Creative thinking is not a fixed gift — it is a skill that can be systematically developed through deliberate practice, a supportive environment, and the conscious use of strategies that expand and diversify one's thinking.
8Does thinking take place without language? Discuss.Show solution
Introduction:
The relationship between language and thought is one of the most debated questions in psychology and linguistics. Three major positions have been proposed:
---
Position 1: Language determines Thought (Linguistic Relativity / Sapir-Whorf Hypothesis)
- Proposed by Benjamin Lee Whorf and Edward Sapir.
- Argues that the language we speak *shapes and determines* the way we think and perceive the world.
- Evidence: The Hopi language has no words for past and future tense; it was argued that Hopi speakers therefore think about time differently.
- Implication: Without language, certain kinds of thinking would be impossible.
---
Position 2: Thought precedes and is independent of Language
- Proposed by Jean Piaget.
- Children develop cognitive structures (schemas) through physical interaction with the world *before* they acquire language.
- Language is seen as a tool that *expresses* thought, not one that creates it.
- Evidence: Infants demonstrate problem-solving behaviour (e.g., pulling a blanket to reach a toy) before they can speak.
- Implication: Thinking can and does occur without language.
---
Position 3: Language and Thought are initially separate but become intertwined (Vygotsky)
- Proposed by Lev Vygotsky.
- In early childhood, language and thought develop independently. Around age 2, they merge — thought becomes verbal and speech becomes rational.
- Inner speech (talking to oneself silently) becomes the primary tool of thought.
- Implication: In adults, language and thought are deeply interdependent, though not identical.
---
Evidence that Thinking can occur without Language:
- Visual/Spatial thinking: Artists, architects, and mathematicians often report thinking in images and spatial patterns rather than words.
- Animal cognition: Animals solve problems (e.g., chimpanzees using sticks to retrieve food) without language.
- Pre-linguistic infant behaviour: Infants show goal-directed, intentional behaviour before acquiring language.
- Deaf individuals: People who are deaf and have not learned sign language still demonstrate complex thinking.
---
Conclusion:
Thinking and language are intricately related but not identical. While language greatly facilitates complex, abstract thinking and communication of thought, thinking is not entirely dependent on language. Basic forms of thinking — especially perceptual, imagistic, and spatial thinking — can occur without language. However, for higher-order abstract reasoning, language serves as an indispensable tool.
9How is language acquired in human beings?Show solution
Introduction:
Language acquisition is the process by which human beings learn to understand and produce language. It is considered distinctly human and follows a remarkably consistent developmental sequence across cultures.
---
Stages of Language Development:
1. Pre-linguistic Stage (Birth to ~12 months):
- Infants communicate through crying, cooing, and babbling.
- Around 6–8 months, babbling begins — infants produce repetitive consonant-vowel combinations like 'ba-ba', 'ma-ma'.
- Babbling is universal across all languages and cultures.
- Infants also develop joint attention — following the gaze of caregivers — which is crucial for word learning.
2. One-Word Stage / Holophrastic Stage (~12–18 months):
- The child begins to use single words to convey whole sentences or meanings.
- These single words are called holophrases (e.g., 'milk' may mean 'I want milk' or 'I spilled the milk').
- Vocabulary grows slowly at first, then accelerates in a vocabulary spurt around 18 months.
3. Two-Word Stage (~18–24 months):
- Children begin combining two words to form simple sentences (e.g., 'Daddy go', 'More juice').
- This speech is called telegraphic speech — it contains only the most essential words.
4. Multi-word / Early Grammar Stage (2–3 years and beyond):
- Sentences become longer and more grammatically complex.
- Children begin applying grammatical rules, sometimes over-regularising them (e.g., saying 'goed' instead of 'went').
- By age 3, most children have a vocabulary of several hundred words and can hold simple conversations.
---
Theories of Language Acquisition:
1. Behaviourist View (B.F. Skinner): Language is learned through imitation, reinforcement, and conditioning. Children imitate adult speech and are reinforced when they produce correct utterances.
2. Nativist View (Noam Chomsky): Humans are born with an innate Language Acquisition Device (LAD) — a biological mechanism that predisposes them to acquire language. This explains why all children acquire language rapidly and follow the same sequence regardless of culture.
3. Interactionist View: Language acquisition results from the interaction between innate biological predispositions and environmental input (social interaction, caregiver speech). Neither nature nor nurture alone is sufficient.
---
Role of Environment:
- Child-directed speech (Motherese): Caregivers naturally use simpler, higher-pitched, slower speech with infants, which helps language learning.
- Social interaction and joint attention are critical for vocabulary development.
- The critical period hypothesis (Lenneberg) suggests there is a sensitive period (roughly birth to puberty) during which language is most easily acquired.
---
Conclusion:
Language acquisition in human beings is a rapid, universal, and largely automatic process that unfolds in predictable stages during the first few years of life. It is the product of both biological preparedness (innate capacity) and rich social and linguistic experience. Major development occurs during the first two to three years of age, making early childhood the most critical period for language learning.
Stuck on a step?
Ask Super Tutor AI to explain any solution on this page in a simpler way — free, 24x7.
Ask a Doubt FreeFrequently Asked Questions
What are the important topics in Thinking for Nagaland Board Class 11 Psychology?
How to score full marks in Thinking — Nagaland Board Class 11 Psychology?
Where can I get free NCERT Solutions for Thinking Class 11 Psychology?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Thinking
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually
For serious students
Get the full Thinking chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Nagaland Board Class 11 Psychology.