The behaviour of groups have important consequences for management and are important because of the potential impact of group behaviour on organisational performance, this is the primary concern of HRM theory and practice. This essay examines how organisations are utilizing and harnessing groups and looks at culture, leadership, norms, cohesiveness, size, change ....and the problems of conformity, social loafing and conflict. This essay looks at aspects of behaviour that are prevalent in all groups and which management must understand if poor performance, conflict, misunderstanding and ba…