During an inter-school science exhibition,
• Riya, who usually works efficiently when alone, noticed a drop in her productivity while working with a team.
• Her friend Arjun, however performed much better during the final group presentation than he did during rehearsals.
• Meanwhile, during a debate on climate change, the group members who initially had mild views became more extreme after discussing their options together.
• While playing tug of war, only Riya's teammates contributed less efforts in the group task compared to working alone.
Based on the above situation, identify and explain any four psychological concepts related to group influence on individual behaviour.
During an inter-school science exhibition,
• Riya, who usually works efficiently when alone, noticed a drop in her productivity while working with a team.
• Her friend Arjun, however performed much better during the final group presentation than he did during rehearsals.
• Meanwhile, during a debate on climate change, the group members who initially had mild views became more extreme after discussing their options together.
• While playing tug of war, only Riya's teammates contributed less efforts in the group task compared to working alone.
Based on the above situation, identify and explain any four psychological concepts related to group influence on individual behaviour.
Official answer
Each bullet in the case illustrates a distinct, named concept of group influence.
Social Loafing (Riya's drop in productivity)
- Riya works efficiently alone but her output drops in a team — individuals tend to exert less effort on a task when working in a group than when working alone, due to reduced accountability.
Social Facilitation (Arjun's improved performance)
- Arjun performs better during the final presentation (in front of an audience) than in rehearsal — the presence of others enhances performance on well-learned or simple tasks.
Group Polarisation (climate change debate)
- Mild individual views become more extreme after group discussion — group interaction strengthens and shifts the average initial inclination of members towards one extreme.
Ringelmann Effect (tug of war)
- Riya's teammates give less individual effort in a group pulling task than they would alone — the classic experimental demonstration (rope-pulling) that individual effort decreases as group size increases, the historical basis of social loafing.
Marking scheme
- 1.1 mark: Social loafing correctly identified and explained with reference to Riya's drop in individual productivity in a team.
- 2.1 mark: Social facilitation correctly identified and explained with reference to Arjun's improved performance in front of an audience.
- 3.1 mark: Group polarisation correctly identified and explained with reference to views becoming extreme after group discussion.
- 4.1 mark: Ringelmann effect correctly identified and explained with reference to reduced effort in the tug-of-war task.
Hint
Match each bullet to its own labelled concept: productivity drop = social loafing, better in front of audience = social facilitation, mild views turning extreme = group polarisation, tug-of-war effort drop = Ringelmann effect.
Quick oral answer
The four concepts are social loafing (Riya's reduced effort in a team), social facilitation (Arjun performing better before an audience), group polarisation (mild views turning extreme after discussion), and the Ringelmann effect (reduced individual effort in the tug-of-war, the classic origin study for social loafing).
Common mistakes
- 1.Treating social loafing and the Ringelmann effect as two completely unrelated concepts, or as fully identical without noting the historical/experimental distinction.
- 2.Mislabelling Arjun's improved performance as 'peer pressure' or 'motivation' instead of the specific concept of social facilitation.
- 3.Explaining only two of the four required concepts in detail and leaving the remaining two vague, losing marks for incompleteness.
Analysis and explanation
This is a multi-concept application question requiring precise labelling, not vague descriptions.
Concept mapping
Each bullet is a textbook phenomenon: reduced individual effort in a team = social loafing; improved performance before an audience = social facilitation; attitude shift after group discussion = group polarisation; and the specific tug-of-war demonstration = the Ringelmann effect, historically the origin experiment for social loafing.
Exam Trap
Students often merge social loafing and the Ringelmann effect as identical without distinguishing that the Ringelmann effect specifically refers to the classic rope-pulling paradigm that first demonstrated the decline of individual effort with increasing group size, while social loafing is the broader modern term for the same phenomenon across tasks.
Common confusion
Social facilitation is often wrongly labelled 'peer pressure'; it should instead be tied to the presence-of-others effect on performance, which can help (facilitation) or hurt (impairment) depending on task difficulty.
Real-world relevance
Understanding these concepts helps teachers design group work (assign individual accountability to prevent loafing) and helps juries/committees guard against polarisation by including diverse viewpoints.
Interesting facts
The Ringelmann effect is named after French agricultural engineer Max Ringelmann, who in the 1880s found that individuals pulling a rope in a group exerted noticeably less force per person than when pulling alone.
Group polarisation was first studied through the 'risky shift' phenomenon in the 1960s, where researchers found groups often made riskier decisions than individuals — later understood as one direction polarisation can take.
Robert Zajonc's classic theory of social facilitation (1965) explained that the presence of others increases arousal, which strengthens the dominant response — helping on easy/well-learned tasks but hurting performance on difficult/new tasks.
Question details
Q27 of 33 questions
- Board
- CBSE
- Class
- Class 12
- Subject
- Psychology
- Year
- 2026
- Section
- Section D
- Marks
- 4
- Type
- Long Answer
- Chapter
- Social Influence and Group Processes
- Topic
- Group Influence on Individual Behaviour
- Bloom's level
- analyze
- Syllabus topic
- Unit 7: Social Influence and Group Processes — Social Loafing, Social Facilitation, Group Polarisation, Ringelmann Effect
- Author
- CBSE
- Reviewed by
- Padhantu Academic Team
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Frequently asked questions
What is the difference between social loafing and the Ringelmann effect?
They describe the same core phenomenon — reduced individual effort in a group — but the Ringelmann effect specifically refers to Max Ringelmann's original rope-pulling experiments that first demonstrated this decline, while social loafing is the broader modern term applied across many types of group tasks.
Why did Arjun perform better in the final presentation than in rehearsal?
This illustrates social facilitation — the presence of an audience increases arousal, which enhances performance on tasks that are well-rehearsed or simple, such as Arjun's final presentation after adequate rehearsal.