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  2. Size of groups, organizations, and communities - Wikipedia

    en.wikipedia.org/wiki/Size_of_groups...

    The number of possible person-to-person links (L) increases rapidly as the size of the group (N) increases (L = (N² - N) /2). In a four-member group there are six possible pairings; add a fifth member for each of the four to relate to and you have ten pairs. The number of possible two-person links in a group of twelve is 66.

  3. Types of social groups - Wikipedia

    en.wikipedia.org/wiki/Types_of_Social_Groups

    Members are generally connected through performing similar actions or possessing similar outlooks. As they only exist for a very brief period of time, it is very easy for an out-group member to become an in-group member and vice versa. [4] Examples of collectives include audiences at a show, bystanders, people at the park, etc. [4]

  4. In-group and out-group - Wikipedia

    en.wikipedia.org/wiki/In-group_and_out-group

    Categorization of people into social groups increases the perception that group members are similar to one another. An outcome of this is the out-group homogeneity effect. This refers to the perception of members of an out-group as being homogenous, while members of one's in-group are perceived as being diverse, e.g. "they are alike; we are ...

  5. Team composition - Wikipedia

    en.wikipedia.org/wiki/Team_composition

    The preferred team size has a significant impact on team sport. [6] Team size is determined by the original purpose for the team, the individual expectations for the members of the team, the roles that the team members need to play, the amount of cohesiveness and inter-connectivity optimal for team performance and the functions, activities and overall goals of the team.

  6. Social group - Wikipedia

    en.wikipedia.org/wiki/Social_group

    In this type of group, it is possible for outgroup members (i.e., social categories of which one is not a member) [19] to become ingroup members (i.e., social categories of which one is a member) [19] with reasonable ease. Social groups, such as study-groups or coworkers, interact moderately over a prolonged period of time.

  7. Team - Wikipedia

    en.wikipedia.org/wiki/Team

    A team at work. A team is a group of individuals (human or non-human) working together to achieve their goal.. As defined by Professor Leigh Thompson of the Kellogg School of Management, "[a] team is a group of people who are interdependent with respect to information, resources, knowledge and skills and who seek to combine their efforts to achieve a common goal".

  8. Expectation states theory - Wikipedia

    en.wikipedia.org/wiki/Expectation_States_Theory

    According to expectation states theory (e.g., Ridgeway & Bourg [4]), inequality arises when members of one group are perceived to have greater status and prestige than members of another group. This distinction occurs when members of a particular social group systematically perceive that some members have a structural advantage (such as more ...

  9. Cognitive categorization - Wikipedia

    en.wikipedia.org/wiki/Cognitive_categorization

    Categories are distinct collections of concrete or abstract instances (category members) that are considered equivalent by the cognitive system. Using category knowledge requires one to access mental representations that define the core features of category members (cognitive psychologists refer to these category-specific mental representations as concepts).