This five-page masters paper addresses the need that individuals feel to belong to various groups. Through extensive research and informed opinion by some of the best experts in the related field, the paper will begin by defining the term "group" followed by the salient features of all groups and the reasons why people form as well as join groups. Hence, the psychological impact of a strong sense of belongingness will be studied and observed. The paper appends five sources in APA format. 5 pgs, bibliography lists 5 sources.