1. Interaction - a group is a collection of individuals who are interacting with one another.

2. Perception of belonging - a group consists of 2 or more persons who perceive themselves to belong to a group.

3. Interdependence - group members are interdependent.

4. Common goals - a group is a collection of individuals who join together to achieve a goal.

5. Needs satisfaction - individuals who belong to a group are trying to satisfy some need through group membership.

6. Roles and norms - members of a group structure their interactions by means of roles and norms. Roles consist of sets of obligations and expectations. Norms imply established ways of behaving - that is, uniformity among people in the ways they behave.

7. Influence - a group is a collection of individuals who influence each other.

The study of individuals in groups and group behaviour has been a core of social psychology since its inception in the early 1900s. One of the first "experiments" in social psychology was by Triplett in 1898, considering the effects of the presence of others on performance. The authors examine this phenomenon as well as group

1. We are made to feel incompetent or insecure.

5. We have made no prior commitment to any response.

The yielding subjects could be categorised as

Some common words found in the essay are:
Essay Psychological, Initial Results, Barry Rawlings, collection individuals, mob behaviour, subjects categorised 1, characteristics ex, roles norms, social psychology, subjects categorised, -- believe, categorised 1, majority effect, erroneous majority,
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