law of heterogeneous summation

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The independent and heterogeneous features of a stimulus situation are additive in their effects upon behaviour. This law has been found to apply in some cases. For example, the colour markings of the cichlid fish (Haplochromis burtoni) are additive in their effect in eliciting aggression in a rival fish. However, the law has not been found to be universally true.

Subjects: Zoology and Animal Sciences.

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