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aggregation

n.

1. a collection of organisms in one location with no obvious social structure or social organization, possessing only a minimum of shared purpose or interdependence. Examples include people in a shopping mall, commuters on a subway platform, or a group of butterflies around a puddle of water. Compare group.

2. in statistics, a process of combining and summarizing a set of scores into a smaller set of scores that capture an aspect of the original set. Compare disaggregation. —aggregate vb. —aggregative adj.

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Psychology term of the day

October 6th 2024

coleadership

coleadership

n. the sharing of the organizational, directive, and motivational duties of leadership between two or more individuals. For example, two therapists or counselors may engage in coleadership during group therapy. The leadership role may be deliberately divided, or division may occur spontaneously as the various leadership duties become associated with several individuals (see role differentiation). In some cases, the leaders are equal in status and responsibilities, but in other cases, one leader may have more status than another.