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  1. a collection of people who interact with each other, are aware of each other and see themselves as a group. Very small groups, where each member knows the others well and can interact in a face-to-face manner, are often termed primary groups. Those with a larger membership where individuals are unable to interact directly with all the members are called secondary groups. Much of the work conducted in ORGANIZATIONS is done by groups. Work groups may take the form of either a number of people undertaking a particular task, directed by a manager (see MANAGEMENT) or SUPERVISOR, or a team in which coordination of a range of activities takes place and where status is more equal. The distinction is not a hard and fast one, but groups of production workers are generally referred to as ‘work groups’ whilst groups of managers tend to be referred to as teams. Both are formal groups in that they are consciously established to chieve certain work goals. By contrast, informal groups are those which emerge naturally, are based primarily on friendship, shared attributes or status, and whose membership does not necessarily coincide with that of formal groups. An early indication of the importance of social groups in organizations was provided by the HAWTHORNE STUDIES and exemplified in HUMAN RELATIONS philosophy The Hawthorne researchers found that informal groups could emerge alongside formal groups, with work norms which contradicted those of management. An earlier investigation in the research programme, however, seemed to find that a style of management (see MANAGEMENT STYLE, LEADERSHIP) which displayed an interest in workers could help collections of workers to cohere into effective groups, committed to managerial goals.

    Subsequently managers have adopted a variety of means to influence the activities of groups so as to harness them in support of managerial goals. One such measure is basing pay or bonuses on group output, so as to provide a stimulus to group members to work effectively together and to pressurize recalcitrant members into following group policy. Similarly, the creation of ‘semiautonomous work groups’ (see JOB DESIGN AND REDESIGN) with the power to allocate group members' tasks is designed to heighten both group cohesion and commitment to effective task performance. However, a question that still nevertheless vexes managers is why some groups are effective whilst others are not. For this reason substantial research has been conducted into group development and dynamics (i.e. the stages of growth that they go through and the patterns of interaction within them). One approach has suggested that groups go through four stages of development:

    1. forming (i.e. getting to know each other);
    2. storming (initial conflict as individuals compete for leadership positions and to influence the direction taken by the group);
    3. norming (the establishment of shared values);
    4. performing (where the group utilizes its strengths to perform desired activities). Many groups find difficulty in moving beyond the second and third stages. Team-building exercises, to encourage group cohesion, are an attempt to solve such problems. Research has shown that individual contributions to groups differ, and that in some cases they are effective whilst in others they are not. Management writer Meredith Belbin (1926-) has argued that each individual has a preferred team role and a secondary role which he or she adopts if unable to occupy his or her preferred role. These roles are chairman (setting the agenda), shaper (defining the task), plant (generating ideas), monitor/evaluator (evaluating ideas), company worker (organizing the group), resource investigator (seeking out resources), team worker (maintaining group cohesion) and finisher (ensuring deadlines are kept). On the basis of research of this type managers have attempted to influence group performance by selecting appropriate team members.

    Whilst team working is generally thought to be a useful approach to achieving organizational goals, it can have negative effects. The most damaging of these is groupthink, where pressures towards group conformity stifle creativity. See TEAM BREIFING.

  2. a collection of interrelated JOINT-STOCK COMPANIES which usually consists of a HOLDING COMPANY and a number of SUBSIDIARY COMPANIES and ASSOCIATED COMPANIES which tends to operate as a single business unit.
References in classic literature ?
The several subordinate groups in any class cannot be ranked in a single file, but seem rather to be clustered round points, and these round other points, and so on in almost endless cycles.
At each period of growth all the growing twigs have tried to branch out on all sides, and to overtop and kill the surrounding twigs and branches, in the same manner as species and groups of species have tried to overmaster other species in the great battle for life.
The studio then resembled not a studio, but a group of angels seated on a cloud in ether.
A great silence fell on the group of patricians, and the commercial party, surprised, were equally silent, trying to discover the subject of this earnest conference.
Amelie rose, took an easel which stood near hers, carried it to a distance from the noble group, and placed it close to a board partition which separated the studio from the extreme end of the attic, where all broken casts, defaced canvases and the winter supply of wood were kept.
asked a young girl of Mademoiselle Matilde Roguin, the lively oracle of the banking group.
The girls of the aristocratic group of pupils belonged to the most devoted royalist families in Paris.
The little group of black specks with the flag of white had been swept out of existence, and the stillness of the evening, so it seemed to me, had scarcely been broken.
The remaining land-birds form a most singular group of finches, related to each other in the structure of their beaks, short tails, form of body and plumage: there are thirteen species, which Mr.
Seeing this gradation and diversity of structure in one small, intimately related group of birds, one might really fancy that from an original paucity of birds in this archipelago, one species had been taken and modified for different ends.
There can be little doubt that this tortoise is an aboriginal inhabitant of the Galapagos; for it is found on all, or nearly all, the islands, even on some of the smaller ones where there is no water; had it been an imported species, this would hardly have been the case in a group which has been so little frequented.
In such situations, a group of six or seven of these hideous reptiles may oftentimes be seen on the black rocks, a few feet above the surf, basking in the sun with outstretched legs.