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A simple cladogram showing the evolutionary relationships between four species: A, B, C, and D. Here, Species A is the outgroup, and Species B, C, and D form the ingroup. In cladistics or phylogenetics, an outgroup [1] is a more distantly related group of organisms that serves as a reference group when determining the evolutionary relationships of the ingroup, the set of organisms under study ...
An illustrative example of the way this phenomenon takes place can be demonstrated just by arbitrarily assigning a person to a distinct and objectively meaningless novel group; this alone is sufficient to create intergroup biases in which members of the perceiver's own group are preferentially favored. [8]
Self-categorization theory attributes the outgroup homogeneity effect to the differing contexts that are present when perceiving outgroups and ingroups. [3] [14] For outgroups, a perceiver will experience an intergroup context and therefore attend to differences between the two groups. Consequently, less attention is paid to differences between ...
For example, many scholars' findings support that both negative self-stereotyping and outgroup favoritism have similarly palliative effects by allowing individuals within unjust systems to rationalize the status quo as fair and valid (in line with system justification theory). [citation needed]
Examples include study groups, sports teams, schoolmates, attorney-client, doctor-patient, coworkers, etc. Cooley had made the distinction between primary and secondary groups, by noting that the term for the latter refers to relationships that generally develop later in life, likely with much less influence on one’s identity than primary groups.
An ethnic out-group (also sometimes "outgroup" without hyphen) [1] is a group of people which does not belong to a particular ethnic group, religion or nationality. Many cultures have terms referring to all outsiders, but in practice this often becomes narrowed to the largest outsider group.
A well-known example of homoplasy due to convergent evolution would be the character, "presence of wings". Although the wings of birds, bats, and insects serve the same function, each evolved independently, as can be seen by their anatomy. If a bird, bat, and a winged insect were scored for the character, "presence of wings", a homoplasy would ...
He proposed that ambivalent prejudice stems from two views. There is the individualistic attitude that values the Protestant work ethic, an attitude that is associated with more negative attitudes toward outgroups. The other view is an egalitarian or humanitarian one, which is associated with more positive attitudes toward outgroups. [3] [8]