In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the …

Reciprocal altruism is defined as a behavior in which an individual provides a benefit to another with the expectation of receiving a similar benefit in the future, often observed in social …

Aug 26, 2025 · Reciprocal altruism is an evolutionary and social psychological concept that explains how altruistic behavior—an individual acting in a way that benefits another at a cost to …

This idea of making a sacrifice to receive a later payment is known as reciprocal altruism. While altruistic behavior is characterized as making sacrifices for others due to our care for their well …

Jun 14, 2023 · Reciprocal altruism is a term coined by Robert Trivers (1971) to describe producing a net of receiving and returning benefits resulting from costly altruistic acts …

If individuals interact repeatedly, altruism can be favoured as long as the altruist receives a reciprocal benefit that is greater than its initial cost. Reciprocal…

The theory of reciprocal altruism was one of the first explanations for the evolutionary stability of cooperation between non-relatives that did not rely on the notion of group-level adaptations. It …

By definition, reciprocal altruism occurs when an individual temporarily reduces their own fitness or reproductive opportunities while increasing the fitness of others.

Three instances of altruistic behavior are discussed, the evolution of which the model can explain: (1) behavior involved in cleaning symbioses; (2) warning cries in birds: and (3) human …

Reciprocal altruism in humans refers to an individual behavior that gives benefit conditionally upon receiving a returned benefit, which draws on the economic concept – ″gains in trade″. [1]