Social Psychology is the scientific study of the ways in which
individuals' feelings, thoughts and beliefs are influenced by actual or
perceived groups. Social Psychology looks at the actions of groups
and of individuals in groups. It identifies what is a group.
Is this a group?
Is this a group? 
Is this a group? 
Can people live without any group identify? 
Why and when do individuals join together in groups? 
Social Psychology attempts to answer all of these questions.