Final answer:
Formal groups are structured with defined roles, while informal groups offer more flexibility in interactions.
Explanation:
Formal groups are composed of managers, subordinates, or both, with close associations among group members that influence individual behavior within the group. In contrast, informal groups consist of individuals who are connected in ways not defined by the formal organization, such as friends at work who have common interests outside of work tasks.
Formal groups typically have structured roles and responsibilities, while informal groups have more flexibility in their interactions and activities. An example of a formal group could be a project team within a company, whereas an informal group could be colleagues who regularly go out for lunch together.
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