Function displayed by some individuals, members generally takes away from group performance and affects task achievement at the expense of the group. Activities that identify self-interest behaviour are as follows:

a) Dominating and controlling:
b) Blocking:
c) Manipulating:
d) Belittling:
e) Splitting hairs:

1) by displaying lack of respect for others, cutting them off,
2) not listening, and restating other members’ suggestions with a different meaning;
3) by stifling a line of thought, and changing the topic either away from the point of view or back to his or her own interest;
4) by providing self-serving information, or a single point of view designed to achieve a decision that is consistent with their position;
through put-downs, sneering at other’s point of view, or making jokes about another member’s contribution;
5) by nit-picking, searching for insignificant details that delay a solution, or undermining another person’s point of view.