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Comparative evaluation and its implications for mate choice.

Melissa Bateson¹, Susan D Healy

¹School of Biology and Psychology, University of Newcastle upon Tyne, Henry Wellcome Building for Neuroecology, Framlington Place, Newcastle upon Tyne, UK, NE2 4HH. Melissa.Bateson@ncl.ac.uk

Trends in Ecology & Evolution

|May 17, 2006

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Human decision-making is labile, influenced by available options. We propose that mate choice also uses evolved heuristics, making attractiveness relative to the comparison group, not an absolute quality.

Area of Science:

Evolutionary Psychology
Behavioral Economics
Animal Behavior

Background:

Human choices are labile and context-dependent, often explained by evolved decision heuristics for efficiency.
Mate selection also involves rapid decisions between multi-attribute individuals, suggesting similar heuristic use.

Purpose of the Study:

To propose that mate choice attractiveness is relative, not absolute, due to evolved decision heuristics.
To explore the implications of comparative evaluation in mate choice and sexual selection.

Main Methods:

Theoretical argument based on principles of decision-making and evolutionary pressures.
Analysis of how comparative evaluation impacts perceived mate attractiveness.

Main Results:

Related Experiment Videos

Attractiveness of a potential mate is influenced by the presence and characteristics of other available options.
This comparative evaluation challenges the notion of absolute mate quality.

Conclusions:

Evolved decision heuristics likely shape mate choice, leading to relative attractiveness judgments.
This framework offers new perspectives on mate choice dynamics and sexual selection theories.