During an inter-school science exhibition, Riya, who usually works efficiently when alone, noticed a drop in h

Question

Q. 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.

CBSECBSE Class XII Board 2026Subjective· 4mImportance★★★★★

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Concept understanding — Social Loafing Reduction

Social Loafing Reduction

The Intuition

Imagine you are in a group project at school. One student does almost all the work, two others do a little, and the fourth barely shows up. Yet when the teacher gives the group a grade, everyone gets the same mark. That fourth student got a free ride — and you probably felt resentful.

This tendency for individuals to exert less effort when working in a group than when working alone is called social loafing. It is the reason group projects sometimes feel unfair, and why teams in workplaces or sports can underperform despite having talented members.

Now flip the picture. What if you could design the group so that every single person works as hard as they would alone — or even harder? That is social loafing reduction: the set of strategies, conditions, or structural changes that prevent or minimise social loafing.

The Precise Statement

Important

Social loafing reduction refers to any factor, intervention, or situational change that decreases the likelihood or magnitude of social loafing — the reduction in individual effort when people work collectively compared to when they work individually.

In other words, it is the answer to the question: How do we make people in a group put in their full effort?

Key Factors That Reduce Social Loafing

These are the most well-established conditions. Each one attacks a root cause of loafing.

Factor	What it does	Why it works
Identifiability	Make each person's contribution visible and traceable	Removes anonymity; effort can be evaluated
Task meaningfulness	Give the group a task that feels important or challenging	Increases intrinsic motivation
Small group size	Keep the team to 3–5 members	Reduces the feeling of being "lost in the crowd"
Cohesive group	Foster a sense of belonging and shared identity	Members care about letting each other down
Clear individual accountability	Assign specific sub-tasks to each person	Creates personal responsibility
Evaluation potential	Let members know their work will be assessed	External pressure replaces lost internal drive

The Mechanism: Why These Work

Social loafing happens for three main reasons:

Diffusion of responsibility — "Someone else will do it."
Reduced sense of personal impact — "My effort won't change the outcome much."
Perceived inequity — "Why should I work hard if others are slacking?" …

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(1+1+1+1=4): Social Inhibition – decline in Riya's productivity because of presence of other people.

(1+1+1+1=4): Social Inhibition – decline in Riya's productivity because of presence of other people. Social Facilitation – Arjun's enhanced performance in presence of others. Group Polarisation – strengthening of group's initial position as a result of group interaction and discussion (debate). Social Loafing – Riya's team members work less hard in a group task compared to working alone. Note: Since the first situation (Social Inhibition) is not mentioned in the textbook or syllabus, 1 mark can be given to candidates not mention …

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