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Vigilance in human groups: a test of alternative hypotheses
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Abstract
Humans exhibit the same inverse relationship between group size and vigilance rates that has been classically described in animals. We collected data on natural human vigilance behaviour in two different contemporary environments (a large refectory-style cafeteria and open parks) to test between four alternative hypotheses for this relationship: predation risk, searching for friends, mate searching and mate guarding. The results demonstrate that, at least in contemporary city environments, humans monitor their surroundings largely for reasons motivated by mate searching. Data on whom subjects look at in a busy environment indicate that males are significantly more likely to attend differentially to female passers-by, but that females show a less clear-cut discrimination. We conclude that vigilance patterns are determined by locally salient functions.
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| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 1254 | 202 | 11 |
| Gesamttextansichten | 573 | 47 | 0 |
| PDF-Downloads | 903 | 106 | 0 |
Vigilance in human groups: a test of alternative hypotheses
in BehaviourSearch for other papers by Dunbar in
Current site
Google Scholar
PubMed
Search for other papers by Cornah in
Current site
Google Scholar
PubMed
Search for other papers by Daly in
Current site
Google Scholar
PubMed
Search for other papers by Bowyer in
Current site
Google Scholar
PubMed
Abstract
Humans exhibit the same inverse relationship between group size and vigilance rates that has been classically described in animals. We collected data on natural human vigilance behaviour in two different contemporary environments (a large refectory-style cafeteria and open parks) to test between four alternative hypotheses for this relationship: predation risk, searching for friends, mate searching and mate guarding. The results demonstrate that, at least in contemporary city environments, humans monitor their surroundings largely for reasons motivated by mate searching. Data on whom subjects look at in a busy environment indicate that males are significantly more likely to attend differentially to female passers-by, but that females show a less clear-cut discrimination. We conclude that vigilance patterns are determined by locally salient functions.
| Insgesamt | Letzte 365 Tage | In den letzten 30 Tagen | |
|---|---|---|---|
| Aufrufe von Kurzbeschreibungen | 1254 | 202 | 11 |
| Gesamttextansichten | 573 | 47 | 0 |
| PDF-Downloads | 903 | 106 | 0 |
