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1. the scientific study of forces in action; a phase of mechanics.
2. the motivating or driving forces, physical or moral, in any field.
group dynamics the forces that underlie group interaction; the interactions among group members.
a term used to represent the study of underlying features of group behavior, for example, motives, attitudes; it is concerned with group change rather than with static characteristics.
Etymology: Fr, groupe + Gk, dynamis, force
the interactions and relationships that take place among group members as well as between the group and the rest of society. It includes interdependence of group members, collective problem solving and decision making, and group conformity.
group dynamicsPsychiatry The interactions and interrelations among members of a therapy group and between members and therapist; effective use of GD is essential in group treatment
group dy·nam·ics(grūp dī-namiks)
The study of underlying features of group behavior, e.g., motives, attitudes; concerned with group change rather than with static characteristics.