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Parent–offspring conflict (POC) is an expression coined in 1974 by Robert Trivers. It is used to describe the evolutionary conflict arising from differences in optimal parental investment (PI) in an offspring from the standpoint of the parent and the offspring. PI is any investment by the parent in an individual offspring that decreases the ...
Men preparing for a raid. Humans are a social species with a long history of living in tribal groups.The psychological mechanisms that evolved to handle the complexities of group living have also created heuristics for quickly categorizing others as ingroup or outgroup members, with different behavioral strategies for each: treat ingroup members (those in one’s own group) favorably, and ...
War and intergroup conflict is a strong evolutionary factor. The so-called regality theory describes how human psychological traits are responding to either a hostile or a peaceful environment. Humans show authoritarian reactions and preferences for a strong leader in case of war or perceived collective danger.
Conflict theories are perspectives in political philosophy and sociology which argue that individuals and groups (social classes) within society interact on the basis of conflict rather than agreement, while also emphasizing social psychology, historical materialism, power dynamics, and their roles in creating power structures, social movements, and social arrangements within a society.
In the first definitive book on defence mechanisms, The Ego and the Mechanisms of Defence (1936), [7] Anna Freud enumerated the ten defence mechanisms that appear in the works of her father, Sigmund Freud: repression, regression, reaction formation, isolation, undoing, projection, introjection, turning against one's own person, reversal into the opposite, and sublimation or displacement.
By stotting (also called pronking), a springbok (Antidorcas marsupialis) signals honestly to predators that it is young, fit, and not worth chasing.. Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across species.
Patterns developed the idea of a "counter-blitz", a blitzkrieg in reverse, with numerous attacks followed by withdrawals to the rear. The aim was to confuse the enemy by presenting no apparent strategy, reveal the enemy's intentions through the strength of the response, and present a misleading picture of the defender's own actions in order to ...
However, conflict among genes in the same genome may arise both in events related to reproduction (a selfish gene may "cheat" and increase its own presence in gametes or offspring above the expected according to fair Mendelian segregation and fair gametogenesis) and altruism (genes in the same genome may disagree on how to value other organisms ...