Complete Summary and Solutions for Social Influence and Group Processes – NCERT Class XII Psychology, Chapter 7 – Explanation, Key Terms, Questions, and Answers

Detailed summary and explanation of Chapter 7 ‘Social Influence and Group Processes’ from the NCERT Class XII Psychology textbook, covering nature and formation of groups, types of groups, groupthink, social loafing, group polarisation, and influence of groups on individual behaviour—along with all key terms, project ideas, and NCERT questions with answers.

Updated: 7 months ago

Categories: NCERT, Class XII, Psychology, Chapter 7, Social Influence, Group Processes, Behaviour, Groupthink, Social Loafing, Group Polarisation, Summary, Questions, Answers, Learning, Cognition, Social Psychology

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Social Influence and Group Processes - Class 12 Psychology Chapter 7 Ultimate Study Guide 2025

Full Chapter Summary & Detailed Notes - Social Influence and Group Processes Class 12 NCERT

Overview & Key Concepts

Chapter Goal: Understand nature, formation, types of groups; influence on individual behavior like social loafing, polarisation; groupthink dangers. Exam Focus: Stages (forming/storming/norming/performing/adjourn), types (primary/secondary), loafing causes/reduction; 2025 Updates: Social media groups, online polarisation. Fun Fact: Minimal group paradigm shows bias from arbitrary divisions. Core Idea: Groups provide security but can lead to irrationality; interlinks to Ch6 attitudes (polarisation). Real-World: Teamwork in sports/offices. Expanded: All subtopics point-wise with evidence (e.g., Tuckman's stages, Latane's loafing experiments), examples (e.g., cricket team drop catch), debates (e.g., cohesion benefits vs. groupthink risks).
Wider Scope: From family to mobs; sources: Activities (7.1-7.3), boxes (7.1 groupthink, 7.2 minimal paradigm).
Expanded Content: Include socio-cultural aspects, role of norms, psychometric vs. social dynamics; multi-disciplinary (e.g., sociology in ingroup bias, management in teams).

Activity 7.1: Identifying Stages of Group Formation Description

Form committee of 10 for open house; observe stages (forming uncertainty, storming conflict, norming cohesion, performing achievement, adjourning disband). Reflects Tuckman's model in real planning.

Introduction

Core Idea: Groups integral for support, growth; influence positively as citizens; individuals change society too.
Daily Interactions: Family morning, school discussions, friends play/phone; absence feels missing.
Expanded: Evidence: Interdependence in groups vs. collections; debates: Group vs. individual agency; real: School teams foster belonging.

Nature and Formation of Groups

What is a Group?: Organised system of 2+ interdependent individuals with common motives, roles, norms; salient: Belonging, goals, interdependence, interaction, structure.
Differences from Collections: Crowd: No structure/belonging, irrational; audience: Passive; mobs: Purposeful, impulsive; teams: Complementary skills, synergy, mutual accountability.
Why Do People Join Groups?: Security (reduce insecurity), status (prestige), self-esteem (positive identity), needs satisfaction (belonging, power), goal achievement (majority power), knowledge (broaden views).
Group Formation: Proximity (repeated exposure, common interests), similarity (consistency/validation), common motives/goals (facilitate attainment).
Stages of Group Formation: Tuckman: Forming (uncertainty/excitement), storming (conflict/hierarchy), norming (norms/identity), performing (goal achievement), adjourning (disband).
Group Structure: Roles (expectations), norms (standards), status (relative position), cohesiveness (attraction, 'we' feeling; extreme leads to groupthink).
Expanded: Evidence: Interaction regularities; debates: Linear vs. non-linear stages; real: Playgroup proximity/similarity.

Fig.7.1: Look at these Two Pictures Description

Picture A: Football team - interdependent with roles/goals. Picture B: Audience - mere collection, no interdependence. Illustrates group vs. non-group.

Activity 7.2: Ingroup and Outgroup Distinctions Description

Write about own/other school in competition; list behaviors; discuss differences/similarities; shows bias/favoritism.

Type of Groups

Primary and Secondary Groups: Primary: Pre-existing (family/caste), face-to-face, impermeable; secondary: Chosen (party), impersonal, permeable.
Formal and Informal Groups: Formal: Explicit functions/roles (office); informal: No rules, close relations (friends).
Ingroup and Outgroup: Ingroup: 'We', similar/favorable; outgroup: 'They', different/negative; Tajfel experiments show arbitrary bias.
Expanded: Evidence: Minimal paradigm; debates: Real vs. created categories; real: School ingroup pride.

Influence of Group on Individual Behaviour

Social Loafing: Reduced effort in collective tasks; causes: Less responsibility, no evaluation, no comparison, poor coordination, unimportant belonging; reduce: Identifiable efforts, commitment, importance, cohesiveness.
Group Polarisation: Extreme decisions post-discussion; causes: New arguments, bandwagon, ingroup identification; risks: Irrational extremes.
Expanded: Evidence: Latane clapping; debates: Benefits vs. dangers; real: Bribe punishment extremes.

Activity 7.3: Assessing Polarisation Description

Attitude scale on capital punishment; group discuss; re-administer; observe hardening; shows discussion strengthens views.

Why This Guide Stands Out

Comprehensive: All subtopics point-wise, 3+ diagram/activity descriptions; 2025 with links (e.g., polarisation in social media), theories analyzed for depth.

Key Themes & Tips

Aspects: Formation, types, influences, polarisation/loafing.
Tip: Memorize stages (FSNPA), types (PSFI IO); compare tables; debate cohesion vs. think.

Exam Case Studies

Groupthink in decisions; loafing in teams; polarisation debates.

Project & Group Ideas

Analyze social media groups polarisation.
Debate: Groups enhance or hinder individuals?
Observe class group formation.

Key Definitions & Terms - Complete Glossary

All terms from chapter; detailed with examples, relevance. Expanded: 40+ terms grouped by subtopic; added advanced like "groupthink", "social loafing" for depth/easy flashcards.

Group Nature

Organised interdependent system. Ex: Family roles. Relevance: Vs collections.

Crowd

No structure/irrational. Ex: Accident gather. Relevance: Non-group.

Audience

Passive collection. Ex: Match watchers. Relevance: Non-interdependent.

Mob

Purposeful impulsive. Ex: Frenzy crowd. Relevance: Polarised action.

Team

Synergy/complementary. Ex: Football skills. Relevance: Mutual accountable.

Security

Reduce insecurity. Ex: Group comfort. Relevance: Join reason.

Status

Prestige from group. Ex: School win proud. Relevance: Recognition.

Self-Esteem

Positive identity. Ex: Prestigious member. Relevance: Worth feel.

Needs Satisfaction

Belonging/power. Ex: Group love. Relevance: Psychological.

Goal Achievement

Majority power. Ex: Slum teach group. Relevance: Impossible alone.

Knowledge

Broaden views. Ex: Supplement info. Relevance: Informative.

Proximity

Repeated exposure. Ex: Neighbours friends. Relevance: Formation.

Similarity

Consistency validation. Ex: Shared interests. Relevance: Liking.

Common Motives

Goal facilitate. Ex: Teach group. Relevance: Unite.

Forming

Uncertainty excitement. Ex: First meet. Relevance: Stage 1.

Storming

Conflict hierarchy. Ex: Control fight. Relevance: Stage 2.

Norming

Norms identity. Ex: Rules develop. Relevance: Stage 3.

Performing

Goal achieve. Ex: Task focus. Relevance: Stage 4.

Adjourning

Disband. Ex: Function over. Relevance: Stage 5.

Roles

Expectations fulfill. Ex: Son respect. Relevance: Structure.

Norms

Behavior standards. Ex: Family rules. Relevance: Regulate.

Status

Relative position. Ex: Captain high. Relevance: Hierarchy.

Cohesiveness

Attraction 'we'. Ex: Hard leave. Relevance: Binding.

Groupthink

Unanimity override. Ex: Vietnam escalate. Relevance: Cohesion risk.

Primary Groups

Pre-existing close. Ex: Family. Relevance: Impermeable.

Secondary Groups

Chosen impersonal. Ex: Party. Relevance: Permeable.

Formal Groups

Explicit roles. Ex: Office. Relevance: Structured.

Informal Groups

No rules close. Ex: Friends. Relevance: Relations.

Ingroup

'We' favorable. Ex: Own school. Relevance: Bias.

Outgroup

'They' negative. Ex: Rival school. Relevance: Discrimination.

Social Loafing

Reduced effort collective. Ex: Tug-war slack. Relevance: Group influence.

Group Polarisation

Extreme post-discuss. Ex: Punishment harden. Relevance: Risky decisions.

Bandwagon Effect

Public validation. Ex: Views strengthen. Relevance: Polarisation cause.

Minimal Group Paradigm

Arbitrary bias. Ex: Kandinsky/Klee favor. Relevance: Ingroup favor.

Synergy

Coordinated efforts. Ex: Team positive. Relevance: Teams vs. groups.

Interdependence

Mutual consequences. Ex: Catch drop team. Relevance: Group char.

Norms Enforcement

Behavior regulate. Ex: Family unspoken. Relevance: Structure.

Role Relationships

Among members. Ex: Status diffs. Relevance: Organised.

Group Identity

Unique belonging. Ex: 'We' feel. Relevance: Cohesiveness.

Free Rider

Relax in group. Ex: Loafing. Relevance: Reduced effort.

Tip: Group by domain (nature/types/influence); examples for recall. Depth: Debates (e.g., cohesion risks). Errors: Confuse loafing/polarisation. Historical: Tajfel origins. Interlinks: To Ch6 conformity. Advanced: Polarisation calcs. Real-Life: Online groups. Graphs: Stages cycle. Coherent: Evidence → Interpretation. For easy learning: Flashcard per term with example.

60+ Questions & Answers - NCERT Based (Class 12) - From Exercises & Variations

Based on chapter + expansions. Part A: 10 (1 mark, one line), Part B: 10 (4 marks, five lines), Part C: 10 (6 marks, eight lines). Answers point-wise in black text.

Part A: 1 Mark Questions (10 Qs - Short)

1. What is a group?

1 Mark Answer:

Organised system of interdependent individuals with common motives, roles, norms.

2. Why do people join groups?

1 Mark Answer:

For security, status, self-esteem, needs satisfaction, goal achievement, knowledge.

3. What facilitates group formation?

1 Mark Answer:

Proximity, similarity, common motives and goals.

4. Name Tuckman's stages of group formation.

1 Mark Answer:

Forming, storming, norming, performing, adjourning.

5. What is cohesiveness?

1 Mark Answer:

Mutual attraction and 'we' feeling among group members.

6. Define groupthink.

1 Mark Answer:

Unanimity overriding realistic appraisal in cohesive groups.

7. What are primary groups?

1 Mark Answer:

Pre-existing, face-to-face, impermeable like family.

8. What is social loafing?

1 Mark Answer:

Reduced individual effort in collective tasks.

9. Define group polarisation.

1 Mark Answer:

Strengthening of initial position post-group discussion.

10. What is ingroup?

1 Mark Answer:

Own group viewed favorably as 'we'.

Part B: 4 Marks Questions (10 Qs - Medium, Exactly 5 Lines Each)

1. Differentiate groups from other collections of people.

4 Marks Answer:

Groups have interdependence, roles, norms unlike crowds/audience/mobs.
Crowds lack structure/belonging, irrational; audience passive.
Mobs purposeful impulsive; teams synergy, accountable.
Groups organised with common goals; collections chance-based.
Ex: Family interdependent vs. match watchers non-interdependent.

2. Explain why people join groups.

4 Marks Answer:

Security: Reduce insecurity, feel protected in groups.
Status: Prestigious groups give recognition/power.
Self-esteem: Positive identity from valued groups.
Needs satisfaction: Belonging, attention, love, power.
Goal achievement: Majority power for impossible alone; knowledge broaden views.

3. Describe factors facilitating group formation.

4 Marks Answer:

Proximity: Repeated interactions from nearness build familiarity.
Similarity: Consistent relationships validate opinions/values.
Common motives/goals: Unite for shared attainment.
Ex: School friends from class proximity/similar interests.
Interaction/contact base; not always linear.

4. Outline Tuckman's stages of group formation.

4 Marks Answer:

Forming: Uncertainty, excitement, fit assessment.
Storming: Conflict over control/resources/tasks, hierarchy develops.
Norming: Norms form, positive identity emerges.
Performing: Structure accepted, goal focus.
Adjourning: Disband post-goal, like committees.

5. Explain elements of group structure.

4 Marks Answer:

Roles: Expectations in situations, e.g., son respect.
Norms: Standards/behaviors enforced, e.g., family rules.
Status: Relative position, ascribed/achieved, e.g., captain high.
Cohesiveness: Attraction/'we', hard leave; extreme groupthink.
Develop from interactions; regulate behavior.

6. What is groupthink?

4 Marks Answer:

Cohesive groups unanimity overrides realistic appraisal.
Characteristics: Consensus illusion, power exaggeration, reality ignore.
Occurs in isolated homogenous groups without alternatives.
Ex: Vietnam escalation fiasco despite warnings.
Prevent: Critical thinking, alternatives, experts, feedback.

7. Differentiate primary and secondary groups.

4 Marks Answer:

Primary: Pre-existing, face-to-face, emotional bonds, impermeable (family).
Secondary: Chosen, impersonal, indirect, permeable (party).
Primary develop values early; secondary functional.
Ex: Caste primary vs. club secondary.
Both influence but primary central.

8. Explain ingroup and outgroup.

4 Marks Answer:

Ingroup: 'We', similar/favorable/desirable traits.
Outgroup: 'They', different/negative perceptions.
Affect social lives; Tajfel shows arbitrary bias.
Ex: Own school positive vs. rival negative.
Categories created; India celebrates plurality.

9. What causes social loafing?

4 Marks Answer:

Less responsibility in collective tasks.
No individual evaluation reduces motivation.
No comparison, poor coordination, unimportant belonging.
Ex: Tug-war free riders.
Latane clapping: Effort drops with size.

10. How to reduce social loafing?

4 Marks Answer:

Make efforts identifiable.
Increase commitment/pressure to work hard.
Enhance task importance/value.
Make individual contribution feel important.
Strengthen cohesiveness for motivation.

Part C: 6 Marks Questions (10 Qs - Long, Exactly 8 Lines Each)

1. Explain nature of groups with characteristics.

6 Marks Answer:

Organised system of 2+ interdependent individuals.
Common motives, roles relationships, regulating norms.
Belonging unit distinguishing identity.
Goals towards/away threats.
Interdependence consequences for others.
Interaction direct/indirect structured.
Vs collections: Structure/belonging absent in crowds.
Ex: Family roles/norms vs. accident crowd no interdependence.

2. Differentiate teams from groups.

6 Marks Answer:

Teams special groups with complementary skills.
Committed common goal/purpose, mutual accountable.
Positive synergy from coordinated efforts.
Groups individual contributions; teams teamwork too.
Groups leader responsible; teams members self-hold.
Ex: Football team synergy vs. class group individual.
Teams performance interdependent; groups less so.
Debate: Teams efficient but risk groupthink.

3. Discuss stages of group formation with example.

6 Marks Answer:

Forming: Uncertainty, know each, fit assess.
Storming: Conflict target/control/resources/tasks.
Norming: Norms develop, positive identity.
Performing: Structure accepted, goal achieve.
Adjourning: Disband post-function, like committees.
Not always linear; overlap/back-forth/skip.
Ex: Open house committee: Form plan, storm roles, norm rules, perform event, adjourn end.
Activity 7.1 observe autonomy.

4. Explain group structure elements.

6 Marks Answer:

Roles: Expectations fulfill, e.g., daughter study.
Norms: Standards/behaviors agreed/enforced, e.g., family views.
Status: Position ascribed/achieved, e.g., team captain.
Cohesiveness: Attraction/binding, 'we' desire stay.
Develop from interactions over time.
Regulate functions/norms adherence.
Ex: Cricket captain high status, norms guide play.
Extreme cohesion groupthink risk (Box 7.1).

5. Describe types of groups.

6 Marks Answer:

Primary: Pre-existing, close emotional, impermeable (family/caste).
Secondary: Chosen, impersonal indirect, permeable (party).
Formal: Explicit functions/roles/rules (office/university).
Informal: No rules/laws, close relations (friends).
Ingroup: 'We' favorable similar.
Outgroup: 'They' negative different.
Differ size/duration/organisation; ex: Family primary informal ingroup.
Activity 7.2 distinctions observe.

6. Explain minimal group paradigm (Box 7.2).

6 Marks Answer:

Tajfel experiments minimal intergroup conditions.
Boys prefer Kandinsky/Klee paintings; grouped anonymously.
Distribute money by codes; favor own group.
Flimsy criterion no history/future yet ingroup bias.
Shows categorisation creates favoritism.
Matrix: Ingroup max, outgroup min favor.
Ex: Arbitrary art groups money bias.
Relevance: Understand real prejudices roots.

7. Discuss social loafing causes/reduction.

6 Marks Answer:

Reduced effort collective; outputs pooled.
Causes: Less responsibility, no evaluation, no comparison, poor coordination, unimportant belonging.
Latane: Clapping noise drop with size.
Reduction: Identifiable efforts, commitment hard work.
Increase importance/value, individual contribution feel.
Strengthen cohesiveness motivation outcome.
Ex: Tug-war relax; reduce by tracking pull.
Vs facilitation: Arousal enhance if evaluated.

8. Explain group polarisation with causes.

6 Marks Answer:

Extreme decisions post-discussion; initial strengthen.
Groups take extremes vs. individuals moderate.
Causes: New arguments favor, bandwagon validation.
Ingroup identification conformity strengthen.
Risks: Irrational, dangerous repercussions.
Ex: Bribe punishment scot-free/terminate extreme.
Activity 7.3: Capital punishment discuss harden.
Debate: Enhances conviction but biases.

9. Describe groupthink (Box 7.1) with prevention.

6 Marks Answer:

Cohesion interferes leadership; unanimity overrides appraisal.
Characteristics: Consensus illusion, power exaggeration, reality ignore.
Occurs homogenous isolated no alternatives high cost.
Ex: Vietnam 1964-67 escalate despite warnings deficit/losses.
Prevention: Critical thinking/reward disagreement.
Alternatives present, experts evaluate, feedback seek.
Debate: Cohesion benefits vs. irrational decisions.
Relevance: Avoid fiascos in groups.

10. Compare formal/informal and ingroup/outgroup.

6 Marks Answer:

Formal: Explicit functions/roles/rules (office).
Informal: No rules close relations (friends).
Formal structured laws; informal relations-based.
Ingroup: 'We' favorable similar desirable.
Outgroup: 'They' negative different viewed.
In/out affect perceptions bias; formal/informal differ organisation.
Ex: University formal vs. friends informal; school ingroup rival out.
Debate: Categories created not real.

Tip: Diagrams for stages/types comparisons; practice lines. Additional 30 Qs: Variations on influences, structures.

Key Concepts - In-Depth Exploration

Core ideas with examples, pitfalls, interlinks. Expanded: All concepts with steps/examples/pitfalls for easy learning. Depth: Debates, analysis.

Group Definition

Steps: 1. Interdependent 2+, 2. Common motives, 3. Roles/norms. Ex: Family support. Pitfall: Confuse with crowds. Interlink: Formation. Depth: Vs non-groups.

Join Reasons

Steps: 1. Security reduce fear, 2. Status prestige, 3. Esteem identity. Ex: Club join. Pitfall: Ignore conflicts. Interlink: Cohesiveness. Depth: Psychological/social needs.

Formation Factors

Steps: 1. Proximity expose, 2. Similarity validate, 3. Goals unite. Ex: Neighbour friends. Pitfall: Assume automatic. Interlink: Stages. Depth: Interaction base.

Tuckman Stages

Steps: 1. Form uncertain, 2. Storm conflict, 3. Norm rules. Ex: Committee plan. Pitfall: Non-linear ignore. Interlink: Structure. Depth: Developmental.

Structure Elements

Steps: 1. Roles expect, 2. Norms standard, 3. Status position. Ex: Team captain. Pitfall: Static view. Interlink: Types. Depth: Interaction evolve.

Cohesiveness

Steps: 1. Attraction bind, 2. 'We' stay desire. Ex: Close friends. Pitfall: Extreme think. Interlink: Groupthink. Depth: Benefits/risks.

Groupthink

Steps: 1. Unanimity illusion, 2. Power exaggerate, 3. Reality ignore. Ex: Vietnam. Pitfall: No alternatives. Interlink: Polarisation. Depth: Cohesion danger.

Primary/Secondary

Steps: 1. Primary given close, 2. Secondary chosen impersonal. Ex: Family vs. club. Pitfall: Permeability confuse. Interlink: Formal. Depth: Bonds differ.

Formal/Informal

Steps: 1. Formal rules explicit, 2. Informal relations no laws. Ex: Office vs. friends. Pitfall: Overlap ignore. Interlink: In/out. Depth: Structure levels.

Ingroup/Outgroup

Steps: 1. Categorise we/they, 2. Favor ingroup. Ex: School rival. Pitfall: Real assume. Interlink: Minimal paradigm. Depth: Bias created.

Social Loafing

Steps: 1. Effort reduce pooled, 2. Causes responsibility lack. Ex: Clap less. Pitfall: Vs facilitation. Interlink: Reduction. Depth: Group size effect.

Group Polarisation

Steps: 1. Discuss strengthen initial, 2. Causes arguments/bandwagon. Ex: Debate extreme. Pitfall: Moderate ignore. Interlink: Think. Depth: Extremes risk.

Advanced: Stages timelines, polarisation curves. Pitfalls: Linear stages. Interlinks: Ch6 conformity. Real: Online mobs. Depth: 12 concepts details. Examples: Real cases. Graphs: Formation cycle. Errors: Confuse types. Tips: Steps evidence; compare tables (types/influences).

Solved Examples - From Text with Simple Explanations

Expanded with evidence, calcs; focus on applications, analysis. Added stages application, loafing calc.

Example 1: Group Formation Stages

Simple Explanation: Committee development.

Step 1: Forming meet uncertain.
Step 2: Storm roles conflict.
Step 3: Norm rules agree.
Step 4: Perform task execute.
Simple Way: Seed to tree growth.

Example 2: Loafing Experiment

Simple Explanation: Clapping noise reduce.

Step 1: Alone loud max.
Step 2: Group 2/4/6 drop per person.
Step 3: Total rise but individual less.
Step 4: Calc effort/size inverse.
Simple Way: Shared load lighten individual.

Example 3: Polarisation Debate

Simple Explanation: Attitude harden post-talk.

Step 1: Initial scale position.
Step 2: Group discuss arguments.
Step 3: Re-scale extreme shift.
Step 4: Causes validation/ingroup.
Simple Way: Echo chamber amplify.

Example 4: Minimal Paradigm

Simple Explanation: Art groups bias.

Step 1: Prefer paintings divide.
Step 2: Anonymous codes money.
Step 3: Favor own group max.
Step 4: Matrix ingroup high.
Simple Way: Arbitrary lines divide.

Example 5: Groupthink Prevention

Simple Explanation: Avoid irrational.

Step 1: Critical reward disagree.
Step 2: Alternatives present.
Step 3: Experts evaluate.
Step 4: Feedback trusted seek.
Simple Way: Diversity break echo.

Example 6: Ingroup Bias

Simple Explanation: School competition favor.

Step 1: Own school positive list.
Step 2: Rival negative view.
Step 3: Discuss differences bias.
Step 4: Similarities reduce outgroup.
Simple Way: Us vs. them lens.

Tip: Practice self-assess; troubleshoot (e.g., why loafing?). Added for polarisation, types.

Quick Revision Notes & Mnemonics

Concise for all subtopics; mnemonics. Covers intro, nature/formation, types, influences, loafing/polarisation. Expanded all.

Introduction/Nature

Groups support/grow; interdependent roles norms ( "IRN" - IRN). Vs collections no belonging ( "NCB" - NCB).

Join Reasons

Security status esteem needs goal knowledge ( "SSENGK" - SSENGK). Power majority ( "PM" - PM).

Formation Factors

Proximity similarity goals ( "PSG" - PSG). Interaction base ( "IB" - IB).

Stages

Form storm norm perform adjourn ( "FSNPA" - FSNPA). Not linear ( "NL" - NL).

Structure

Roles norms status cohesiveness ( "RNSC" - RNSC). Interaction evolve ( "IE" - IE).

Groupthink

Unanimity override; consensus illusion ( "UOCI" - UOCI). Prevent critical/alternatives ( "PCA" - PCA).

Types

Primary secondary formal informal ingroup outgroup ( "PSFIIO" - PSFIIO). Permeable differ ( "PD" - PD).

Loafing

Reduced collective; causes responsibility no eval ( "RCNE" - RCNE). Reduce identifiable commit ( "RIC" - RIC).

Polarisation

Extreme post-discuss; arguments bandwagon ingroup ( "ABI" - ABI). Risks irrational ( "RI" - RI).

Overall Mnemonic: "Nature Join Form Stages Struct Think Types Loaf Polar" (NJF SST TLP). Flashcards: One per subtopic. Easy: Bullets, bold keys; steps acronyms.

Key Terms & Processes - All Key

Expanded table 40+ rows; quick ref. Added advanced (e.g., groupthink, social loafing).

Term/Process	Description	Example	Usage
Group	Interdependent with roles/norms	Family	Vs collections
Crowd	No structure irrational	Accident gather	Non-group
Audience	Passive collection	Match watchers	Non-interdependent
Mob	Purposeful impulsive	Frenzy crowd	Polarised action
Team	Synergy accountable	Football skills	Mutual
Security	Reduce insecurity	Group comfort	Join reason
Status	Prestige group	Win proud	Recognition
Self-Esteem	Positive identity	Valued member	Worth feel
Needs Satisfaction	Belonging power	Group love	Psychological
Goal Achievement	Majority power	Slum teach	Impossible alone
Knowledge	Broaden views	Supplement info	Informative
Proximity	Exposure repeated	Neighbours	Formation
Similarity	Validate consistency	Shared interests	Liking
Common Motives	Goal facilitate	Teach group	Unite
Forming	Uncertainty excitement	First meet	Stage 1
Storming	Conflict hierarchy	Control fight	Stage 2
Norming	Norms identity	Rules develop	Stage 3
Performing	Goal achieve	Task focus	Stage 4
Adjourning	Disband	Function over	Stage 5
Roles	Expectations fulfill	Son respect	Structure
Norms	Standards enforced	Family rules	Regulate
Status	Position relative	Captain high	Hierarchy
Cohesiveness	Attraction 'we'	Hard leave	Binding
Groupthink	Unanimity override	Vietnam escalate	Cohesion risk
Primary Groups	Given close	Family	Impermeable
Secondary Groups	Chosen impersonal	Party	Permeable
Formal Groups	Explicit roles	Office	Structured
Informal Groups	No rules close	Friends	Relations
Ingroup	'We' favorable	Own school	Bias
Outgroup	'They' negative	Rival school	Discrimination
Social Loafing	Reduced collective	Tug slack	Influence
Group Polarisation	Extreme discuss	Punish harden	Risky
Bandwagon Effect	Validation public	Views strengthen	Polar cause
Minimal Paradigm	Arbitrary bias	Art favor	Ingroup
Synergy	Coordinated positive	Team	Teams vs groups
Interdependence	Mutual consequences	Catch drop	Group char
Norms Enforcement	Behavior regulate	Family unspoken	Structure
Role Relationships	Among members	Status diffs	Organised
Group Identity	Unique belonging	'We' feel	Cohesiveness
Free Rider	Relax group	Loafing	Reduced effort

Tip: Examples memory; sort subtopic. Easy: Table scan. Added 20 rows depth.

Key Processes & Diagrams - Solved Step-by-Step

Expanded all major; desc for diags; steps visual. Added formation process, polarisation steps.

Process 1: Group Formation

Step-by-Step:

Step 1: Proximity expose common interests.
Step 2: Similarity validate opinions.
Step 3: Motives/goals unite attainment.
Step 4: Interaction develop structure.
Step 5: Stages progress form to perform.
Diagram Desc: Cycle proximity to cohesion.

Process 2: Social Loafing Occurrence

Step-by-Step:

Step 1: Collective pooled outputs.
Step 2: Responsibility diffuse less.
Step 3: No eval motivation drop.
Step 4: Poor coord/unimportant belong.
Step 5: Effort reduce size increase.
Diagram Desc: Graph effort inverse size.

Process 3: Group Polarisation

Step-by-Step:

Step 1: Initial position group.
Step 2: Discuss new arguments favor.
Step 3: Bandwagon validation public.
Step 4: Ingroup identify conform.
Step 5: Extreme shift post-talk.
Diagram Desc: Arrow initial to extreme.

Process 4: Groupthink Development

Step-by-Step:

Step 1: Cohesive homogenous isolated.
Step 2: No alternatives high cost.
Step 3: Unanimity illusion consensus.
Step 4: Power exaggerate reality ignore.
Step 5: Irrational decision fiasco.
Diagram Desc: Funnel alternatives to one.

Process 5: Ingroup Bias

Step-by-Step:

Step 1: Categorise we/they.
Step 2: Similar favorable we.
Step 3: Different negative they.
Step 4: Arbitrary even minimal.
Step 5: Perceptions affect lives.
Diagram Desc: Two circles favor arrow in.

Process 6: Loafing Reduction

Step-by-Step:

Step 1: Identifiable efforts track.
Step 2: Commit hard work pressure.
Step 3: Importance value enhance.
Step 4: Contribution individual feel.
Step 5: Cohesiveness strengthen motivation.
Diagram Desc: Steps arrow effort up.

Tip: Draw flows; label parts. Easy: Numbered with analogies (formation as building).

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Practice Quiz

Test your CBSE Class 12 Board Examination prep

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Quizzes

10 questions · ~10 minutes · instant rank & AI diagnosis

5 attempts on CBSE Class 12 Board Examination quizzes

How scored 1/10 on Economics (Class 12) Ravi jatav scored 0/10 on Economics (Class 12) Ravi jatav scored 0/10 on Economics (Class 12) Ravi jatav scored 0/10 on Accountancy (Class 12) Dhara scored 3/10 on Electrostatic Potential and Capacitance How scored 1/10 on Economics (Class 12) Ravi jatav scored 0/10 on Economics (Class 12) Ravi jatav scored 0/10 on Economics (Class 12) Ravi jatav scored 0/10 on Accountancy (Class 12) Dhara scored 3/10 on Electrostatic Potential and Capacitance

Economics (Class 12) Practice Quiz | CBSE Class 12 Board Examination

10 Qs · ~10 min

Accountancy (Class 12) Practice Quiz | CBSE Class 12 Board Examination

10 Qs · ~10 min

Electrostatic Potential and Capacitance Fundamentals | CBSE Class 12 Board Examination

10 Qs · ~10 min

Class 12 English — Memories of Childhood (Practice Quiz)

10 Qs · ~10 min

Class 12 English — On the Face of It (Practice Quiz)

10 Qs · ~10 min

Class 12 English — The Enemy (Practice Quiz)

10 Qs · ~10 min

Class 12 English — Journey to the End of the Earth (Practice Quiz)

10 Qs · ~10 min

Class 12 English — The Tiger King (Practice Quiz)

10 Qs · ~10 min

Class 12 English — The Third Level (Practice Quiz)

10 Qs · ~10 min

#10

Class 12 English — Aunt Jennifer's Tigers (Practice Quiz)

10 Qs · ~10 min

#11

Class 12 English — A Roadside Stand (Practice Quiz)

10 Qs · ~10 min

#12

Class 12 English — A Thing of Beauty (Practice Quiz)

10 Qs · ~10 min

#13

Class 12 English — Keeping Quiet (Practice Quiz)

10 Qs · ~10 min

#14

Class 12 English — An Elementary School Classroom in a Slum (Practice Quiz)

10 Qs · ~10 min

#15

Class 12 English — My Mother at Sixty-six (Practice Quiz)

10 Qs · ~10 min

#16

Class 12 English — Going Places (Practice Quiz)

10 Qs · ~10 min

#17

Class 12 English — The Interview (Practice Quiz)

10 Qs · ~10 min

#18

Class 12 English — Poets and Pancakes (Practice Quiz)

10 Qs · ~10 min

#19

Class 12 English — Indigo (Practice Quiz)

10 Qs · ~10 min

#20

Class 12 English — The Rattrap (Practice Quiz)

10 Qs · ~10 min

#21

Class 12 English — Deep Water (Practice Quiz)

10 Qs · ~10 min

#22

Class 12 English — Lost Spring (Practice Quiz)

10 Qs · ~10 min

#23

Class 12 English — The Last Lesson (Practice Quiz)

10 Qs · ~10 min

#24

Class 12 Psychology — Social Influence and Group Processes (Practice Quiz)

10 Qs · ~10 min

#25

Class 12 Psychology — Attitude and Social Cognition (Practice Quiz)

10 Qs · ~10 min

#26

Class 12 Psychology — Therapeutic Approaches (Practice Quiz)

10 Qs · ~10 min

#27

Class 12 Psychology — Psychological Disorders (Practice Quiz)

10 Qs · ~10 min

#28

Class 12 Psychology — Meeting Life Challenges (Practice Quiz)

10 Qs · ~10 min

#29

Class 12 Psychology — Self and Personality (Practice Quiz)

10 Qs · ~10 min

#30

Class 12 Psychology — Variations in Psychological Attributes (Practice Quiz)

10 Qs · ~10 min

#31

Class 12 Sociology — Social Movements (Practice Quiz)

10 Qs · ~10 min

#32

Class 12 Sociology — Mass Media and Communications (Practice Quiz)

10 Qs · ~10 min

#33

Class 12 Sociology — Globalisation and Social Change (Practice Quiz)

10 Qs · ~10 min

#34

Class 12 Sociology — Change and Development in Industrial Society (Practice Quiz)

10 Qs · ~10 min

#35

Class 12 Sociology — Change and Development in Rural Society (Practice Quiz)

10 Qs · ~10 min

#36

Class 12 Sociology — The Constitution and Social Change (Practice Quiz)

10 Qs · ~10 min

#37

Class 12 Sociology — Cultural Change (Practice Quiz)

10 Qs · ~10 min

#38

Class 12 Sociology — Structural Change (Practice Quiz)

10 Qs · ~10 min

#39

Class 12 Sociology — The Challenges of Cultural Diversity (Practice Quiz)

10 Qs · ~10 min

#40

Class 12 Sociology — Patterns of Social Inequality and Exclusion (Practice Quiz)

10 Qs · ~10 min

#41

Class 12 Sociology — The Market as a Social Institution (Practice Quiz)

10 Qs · ~10 min

#42

Class 12 Sociology — Social Institutions: Continuity and Change (Practice Quiz)

10 Qs · ~10 min

#43

Class 12 Sociology — The Demographic Structure of the Indian Society (Practice Quiz)

10 Qs · ~10 min

#44

Class 12 Sociology — Introducing Indian Society (Practice Quiz)

10 Qs · ~10 min

#45

Class 12 Political Science — Recent Developments in Indian Politics (Practice Quiz)

10 Qs · ~10 min

#46

Class 12 Political Science — Regional Aspirations (Practice Quiz)

10 Qs · ~10 min

#47

Class 12 Political Science — The Crisis of Democratic Order (Practice Quiz)

10 Qs · ~10 min

#48

Class 12 Political Science — Challenges to and Restoration of the Congress System (Practice Quiz)

10 Qs · ~10 min

#49

Class 12 Political Science — India's External Relations (Practice Quiz)

10 Qs · ~10 min

#50

Class 12 Political Science — Politics of Planned Development (Practice Quiz)

10 Qs · ~10 min

#51

Class 12 Political Science — Era of One-party Dominance (Practice Quiz)

10 Qs · ~10 min

#52

Class 12 Political Science — Challenges of Nation Building (Practice Quiz)

10 Qs · ~10 min

#53

Class 12 Political Science — Environment and Natural Resources (Practice Quiz)

10 Qs · ~10 min

#54

Class 12 Political Science — Security in the Contemporary World (Practice Quiz)

10 Qs · ~10 min

#55

Class 12 Political Science — International Organisations (Practice Quiz)

10 Qs · ~10 min

#56

Class 12 Political Science — Contemporary South Asia (Practice Quiz)

10 Qs · ~10 min

#57

Class 12 Political Science — Contemporary Centres of Power (Practice Quiz)

10 Qs · ~10 min

#58

Class 12 Political Science — The End of Bipolarity (Practice Quiz)

10 Qs · ~10 min

#59

Class 12 Geography — Geographical Perspective on Selected Issues and Problems (Practice Quiz)

10 Qs · ~10 min

#60

Class 12 Geography — Planning and Sustainable Development in the Indian Context (Practice Quiz)

10 Qs · ~10 min

#61

Class 12 Geography — Mineral and Energy Resources (Practice Quiz)

10 Qs · ~10 min

#62

Class 12 Geography — Water Resources (Practice Quiz)

10 Qs · ~10 min

#63

Class 12 Geography — Land Resources and Agriculture (Practice Quiz)

10 Qs · ~10 min

#64

Class 12 Geography — Human Settlements (Practice Quiz)

10 Qs · ~10 min

#65

Class 12 Geography — Population: Distribution, Density, Growth and Composition (Practice Quiz)

10 Qs · ~10 min

#66

Class 12 Geography — International Trade (India) (Practice Quiz)

10 Qs · ~10 min

#67

Class 12 Geography — Transport and Communication (India) (Practice Quiz)

10 Qs · ~10 min

#68

Class 12 Geography — Tertiary and Quaternary Activities (Practice Quiz)

10 Qs · ~10 min

#69

Class 12 Geography — Secondary Activities (Practice Quiz)

10 Qs · ~10 min

#70

Class 12 Geography — Primary Activities (Practice Quiz)

10 Qs · ~10 min

#71

Class 12 Geography — Human Development (Practice Quiz)

10 Qs · ~10 min

#72

Class 12 Geography — The World Population: Distribution, Density and Growth (Practice Quiz)

10 Qs · ~10 min

#73

Class 12 Geography — Human Geography: Nature and Scope (Practice Quiz)

10 Qs · ~10 min

#74

Class 12 History — Framing the Constitution — The Beginning of a New Era (Practice Quiz)

10 Qs · ~10 min

#75

Class 12 History — Mahatma Gandhi and the Nationalist Movement — Civil Disobedience and Beyond (Practice Quiz)

10 Qs · ~10 min

#76

Class 12 History — Rebels and the Raj — The Revolt of 1857 and its Representations (Practice Quiz)

10 Qs · ~10 min

#77

Class 12 History — Colonialism and the Countryside — Exploring Official Archives (Practice Quiz)

10 Qs · ~10 min

#78

Class 12 History — Peasants, Zamindars and the State — Agrarian Society and the Mughal Empire (c. sixteenth-seventeenth centuries) (Practice Quiz)

10 Qs · ~10 min

#79

Class 12 History — An Imperial Capital: Vijayanagara (c. fourteenth to sixteenth century) (Practice Quiz)

10 Qs · ~10 min

#80

Class 12 History — Bhakti-Sufi Traditions — Changes in Religious Beliefs and Devotional Texts (c. eighth to eighteenth century) (Practice Quiz)

10 Qs · ~10 min

#81

Class 12 History — Through the Eyes of Travellers — Perceptions of Society (c. tenth to seventeenth century) (Practice Quiz)

10 Qs · ~10 min

#82

Class 12 History — Thinkers, Beliefs and Buildings — Cultural Developments (c. 600 BCE-600 CE) (Practice Quiz)

10 Qs · ~10 min

#83

Class 12 History — Kinship, Caste and Class — Early Societies (c. 600 BCE-600 CE) (Practice Quiz)

10 Qs · ~10 min

#84

Class 12 History — Kings, Farmers and Towns — Early States and Economies (c. 600 BCE-600 CE) (Practice Quiz)

10 Qs · ~10 min

#85

Class 12 History — Bricks, Beads and Bones — The Harappan Civilisation (Practice Quiz)

10 Qs · ~10 min

#86

Class 12 Economics — Open Economy Macroeconomics (Practice Quiz)

10 Qs · ~10 min

#87

Class 12 Economics — Government Budget and the Economy (Practice Quiz)

10 Qs · ~10 min

#88

Class 12 Economics — Determination of Income and Employment (Practice Quiz)

10 Qs · ~10 min

#89

Class 12 Economics — Money and Banking (Practice Quiz)

10 Qs · ~10 min

#90

Class 12 Economics — National Income Accounting (Practice Quiz)

10 Qs · ~10 min

#91

Class 12 Economics — Market Equilibrium (Practice Quiz)

10 Qs · ~10 min

#92

Class 12 Economics — The Theory of the Firm under Perfect Competition (Practice Quiz)

10 Qs · ~10 min

#93

Class 12 Economics — Production and Costs (Practice Quiz)

10 Qs · ~10 min

#94

Class 12 Economics — Theory of Consumer Behaviour (Practice Quiz)

10 Qs · ~10 min

#95

Class 12 Economics — Introduction (Practice Quiz)

10 Qs · ~10 min

#96

Class 12 Business Studies — Consumer Protection (Practice Quiz)

10 Qs · ~10 min

#97

Class 12 Business Studies — Marketing (Practice Quiz)

10 Qs · ~10 min

#98

Class 12 Business Studies — Financial Management (Practice Quiz)

10 Qs · ~10 min

#99

Class 12 Business Studies — Controlling (Practice Quiz)

10 Qs · ~10 min

#100

Class 12 Business Studies — Directing (Practice Quiz)

10 Qs · ~10 min

#101

Class 12 Business Studies — Staffing (Practice Quiz)

10 Qs · ~10 min

#102

Class 12 Business Studies — Organising (Practice Quiz)

10 Qs · ~10 min

#103

Class 12 Business Studies — Planning (Practice Quiz)

10 Qs · ~10 min

#104

Class 12 Business Studies — Business Environment (Practice Quiz)

10 Qs · ~10 min

#105

Class 12 Business Studies — Nature and Significance of Management (Practice Quiz)

10 Qs · ~10 min

#106

Class 12 Accountancy — Cash Flow Statement (Practice Quiz)

10 Qs · ~10 min

#107

Class 12 Accountancy — Accounting Ratios (Practice Quiz)

10 Qs · ~10 min

#108

Class 12 Accountancy — Analysis of Financial Statements (Practice Quiz)

10 Qs · ~10 min

#109

Class 12 Accountancy — Financial Statements of a Company (Practice Quiz)

10 Qs · ~10 min

#110

Class 12 Accountancy — Issue and Redemption of Debentures (Practice Quiz)

10 Qs · ~10 min

#111

Class 12 Accountancy — Accounting for Share Capital (Practice Quiz)

10 Qs · ~10 min

#112

Class 12 Accountancy — Dissolution of Partnership Firm (Practice Quiz)

10 Qs · ~10 min

#113

Class 12 Accountancy — Reconstitution of a Partnership Firm – Retirement/Death of a Partner (Practice Quiz)

10 Qs · ~10 min

#114

Class 12 Accountancy — Reconstitution of a Partnership Firm – Admission of a Partner (Practice Quiz)

10 Qs · ~10 min

#115

Class 12 Accountancy — Accounting for Partnership: Basic Concepts (Practice Quiz)

10 Qs · ~10 min

#116

Class 12 Maths — Probability (Practice Quiz)

10 Qs · ~10 min

#117

Class 12 Maths — Linear Programming (Practice Quiz)

10 Qs · ~10 min

#118

Class 12 Maths — Three Dimensional Geometry (Practice Quiz)

10 Qs · ~10 min

#119

Class 12 Maths — Vector Algebra (Practice Quiz)

10 Qs · ~10 min

#120

Class 12 Maths — Differential Equations (Practice Quiz)

10 Qs · ~10 min

#121

Class 12 Maths — Application of Integrals (Practice Quiz)

10 Qs · ~10 min

#122

Class 12 Maths — Integrals (Practice Quiz)

10 Qs · ~10 min

#123

Class 12 Maths — Application of Derivatives (Practice Quiz)

10 Qs · ~10 min

#124

Class 12 Maths — Continuity and Differentiability (Practice Quiz)

10 Qs · ~10 min

#125

Class 12 Maths — Determinants (Practice Quiz)

10 Qs · ~10 min

#126

Class 12 Maths — Matrices (Practice Quiz)

10 Qs · ~10 min

#127

Class 12 Maths — Inverse Trigonometric Functions (Practice Quiz)

10 Qs · ~10 min

#128

Class 12 Maths — Relations and Functions (Practice Quiz)

10 Qs · ~10 min

#129

Class 12 Biology — Biodiversity and its Conservation (Practice Quiz)

10 Qs · ~10 min

#130

Class 12 Biology — Ecosystem (Practice Quiz)

10 Qs · ~10 min

#131

Class 12 Biology — Organisms and Populations (Practice Quiz)

10 Qs · ~10 min

#132

Class 12 Biology — Biotechnology and its Applications (Practice Quiz)

10 Qs · ~10 min

#133

Class 12 Biology — Biotechnology: Principles and Processes (Practice Quiz)

10 Qs · ~10 min

#134

Class 12 Biology — Microbes in Human Welfare (Practice Quiz)

10 Qs · ~10 min

#135

Class 12 Biology — Human Health and Disease (Practice Quiz)

10 Qs · ~10 min

#136

Class 12 Biology — Evolution (Practice Quiz)

10 Qs · ~10 min

#137

Class 12 Biology — Molecular Basis of Inheritance (Practice Quiz)

10 Qs · ~10 min

#138

Class 12 Biology — Principles of Inheritance and Variation (Practice Quiz)

10 Qs · ~10 min

#139

Class 12 Biology — Reproductive Health (Practice Quiz)

10 Qs · ~10 min

#140

Class 12 Biology — Human Reproduction (Practice Quiz)

10 Qs · ~10 min

#141

Class 12 Biology — Sexual Reproduction in Flowering Plants (Practice Quiz)

10 Qs · ~10 min

#142

Class 12 Chemistry — Biomolecules (Practice Quiz)

10 Qs · ~10 min

#143

Class 12 Chemistry — Amines (Practice Quiz)

10 Qs · ~10 min

#144

Class 12 Chemistry — Aldehydes, Ketones and Carboxylic Acids (Practice Quiz)

10 Qs · ~10 min

#145

Class 12 Chemistry — Alcohols, Phenols and Ethers (Practice Quiz)

10 Qs · ~10 min

#146

Class 12 Chemistry — Haloalkanes and Haloarenes (Practice Quiz)

10 Qs · ~10 min

#147

Class 12 Chemistry — Coordination Compounds (Practice Quiz)

10 Qs · ~10 min

#148

Class 12 Chemistry — The d- and f-Block Elements (Practice Quiz)

10 Qs · ~10 min

#149

Class 12 Chemistry — Chemical Kinetics (Practice Quiz)

10 Qs · ~10 min

#150

Class 12 Chemistry — Electrochemistry (Practice Quiz)

10 Qs · ~10 min

#151

Class 12 Chemistry — Solutions (Practice Quiz)

10 Qs · ~10 min

#152

Class 12 Physics — Semiconductor Electronics: Materials, Devices and Simple Circuits (Practice Quiz)

10 Qs · ~10 min

#153

Class 12 Physics — Nuclei (Practice Quiz)

10 Qs · ~10 min

#154

Class 12 Physics — Atoms (Practice Quiz)

10 Qs · ~10 min

#155

Class 12 Physics — Dual Nature of Radiation and Matter (Practice Quiz)

10 Qs · ~10 min

#156

Class 12 Physics — Wave Optics (Practice Quiz)

10 Qs · ~10 min

#157

Class 12 Physics — Ray Optics and Optical Instruments (Practice Quiz)

10 Qs · ~10 min

#158

Class 12 Physics — Electromagnetic Waves (Practice Quiz)

10 Qs · ~10 min

#159

Class 12 Physics — Alternating Current (Practice Quiz)

10 Qs · ~10 min

#160

Class 12 Physics — Electromagnetic Induction (Practice Quiz)

10 Qs · ~10 min

#161

Class 12 Physics — Magnetism and Matter (Practice Quiz)

10 Qs · ~10 min

#162

Class 12 Physics — Moving Charges and Magnetism (Practice Quiz)

10 Qs · ~10 min

#163

Class 12 Physics — Electrostatic Potential and Capacitance (Practice Quiz)

10 Qs · ~10 min

#164

Class 12 Physics — Electric Charges and Fields (Practice Quiz)

10 Qs · ~10 min

#165

Class 12 Business Studies — Principles of Management (Practice Quiz)

10 Qs · ~10 min

#166

CBSE Class 12 — Genetics and Evolution (Practice Quiz)

10 Qs · ~10 min

#167

CBSE Class 12 — Matrices and Determinants (Practice Quiz)

10 Qs · ~10 min

#168

CBSE Class 12 — Solutions and Colligative Properties (Practice Quiz)

10 Qs · ~10 min

#169

Class 12 Physics — Current Electricity (Practice Quiz)

10 Qs · ~10 min

#170

CBSE Class 12 — Electrostatics and Electric Field (Practice Quiz)

10 Qs · ~10 min

#171

Humanities Subjects Practice Quiz | CBSE Class 12 Board Examination

10 Qs · ~10 min

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