Social Influence and Group Processes - Class 12 Psychology

Introduction

Groups are an essential part of our daily lives, influencing our behaviour and growth as individuals. Groups not only impact us, but we can also influence others and society as members of groups.

Nature and Formation of Groups

What is a Group?

A group is defined as an organised system of two or more individuals who are interacting and interdependent, have common motives, maintain role relationships among members, and follow norms that regulate behaviour.

Salient Characteristics of Groups:

Difference between Groups and Other Collections:

Why Do People Join Groups?

Group Formation

Conditions Facilitating Group Formation:

Stages of Group Formation (Tuckman's Model):

Elements of Group Structure:

Groupthink:

Coined by Irving Janis, groupthink refers to a mode where group members suppress dissent to maintain harmony, often leading to poor decision-making (e.g., Vietnam War escalation). Ways to prevent groupthink include encouraging critical thinking, welcoming alternative opinions, and seeking external evaluations.

Types of Groups

Primary and Secondary Groups:

Formal and Informal Groups:

Ingroup and Outgroup:

Influence of Group on Individual Behaviour

Social Loafing:

Reduction in individual effort when working collectively. Demonstrated by Latane's experiments with clapping/cheering, showing less effort with larger group size.

Reasons for Social Loafing:

Reducing Social Loafing:

Group Polarisation:

Group discussions strengthen initial attitudes, leading to extreme decisions. Happens due to exposure to similar viewpoints, validation, and increased identification with ingroup.

Key Terms

Cohesiveness, Conflict, Goal achievement, Group, Group formation, Groupthink, Identity, Ingroup, Interdependence, Norms, Proximity, Roles, Social influence, Social loafing, Status, Structure.