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Outgroup SIGNED

Consequences of out-group conflict

Total Cost €


EC-Contrib. €






 Outgroup project word cloud

Explore the words cloud of the Outgroup project. It provides you a very rough idea of what is the project "Outgroup" about.

invasive    inform    simulations    effort    poorly    collect    rigorous    cichlid    defensive    parvula    group    variation    disciplinary    breeding    empirical    evolution    wild    sciences    fortification    inter    reproductive    uncover    invigorate    interactions    rival    helogale    societal    invest    conflict    offspring    considerable    fish    ultimate    maternal    neolamprologus    conspecifics    underlie    sampling    species    individual    anthropology    global    care    arising    members    paradigms    ants    political    fundamental    intruders    decision    monitoring    biology    psychology    evolutionary    structure    integrate    sociality    science    proximate    hormones    proven    assumptions    steroid    economics    model    social    innovative    reproduction    stress    mates    society    variety    population    theoretical    politics    investment    predictive    data    experimental    captive    dwarf    mongooses    framework    pulcher    impacts    humans    weaponry    models    significantly    mathematical    effect    phylogenetically    habituated    meta    groups    last    tractable    cooperation    punishment    lasting    human    analytical    conflicts   

Project "Outgroup" data sheet

The following table provides information about the project.


Organization address
postcode: BS8 1QU

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 1˙971˙866 €
 EC max contribution 1˙971˙866 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-CoG
 Funding Scheme ERC-COG
 Starting year 2016
 Duration (year-month-day) from 2016-07-01   to  2022-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF BRISTOL UK (BRISTOL) coordinator 1˙971˙866.00


 Project objective

The aim of this project is to determine the proximate and ultimate consequences of a fundamental but neglected aspect of sociality: out-group conflict. In a wide range of social species, from ants to humans, group members invest considerable defensive effort against individual intruders and rival groups. The lasting impacts of these conflicts with conspecifics are poorly understood. I will integrate empirical and theoretical approaches to uncover the effect of out-group conflict on: (i) individual behaviour, within-group interactions and group decision-making; (ii) steroid hormones that underlie stress, social behaviour and reproduction; (iii) variation in reproductive success arising from maternal investment and offspring care; and (iv) the evolution of societal structure, cooperation and punishment among group-mates, and weaponry and fortification. I will achieve these ambitious objectives using proven experimental paradigms, innovative non-invasive sampling, long-term monitoring, and state-of-the-art analytical methods to collect data from two highly tractable model systems that I have established over the last 4 years: a captive-breeding population of the cichlid fish Neolamprologus pulcher and a habituated wild population of dwarf mongooses (Helogale parvula). I will use some of the same data to inform the assumptions of mathematical models and evolutionary simulations in the development of a rigorous, predictive framework on out-group conflict, which I will test using both my model systems and phylogenetically controlled meta-analyses across species. The management and consequences of conflict are of major importance to science, human society and global politics. My novel and inter-disciplinary proposal will not only significantly advance our understanding of the evolution of sociality, but will invigorate a variety of existing research programmes across biology, anthropology, economics, psychology, and the social and political sciences.


year authors and title journal last update
List of publications.
2016 Andrew N. Radford, Bonaventura Majolo, Filippo Aureli
Within-group behavioural consequences of between-group conflict: a prospective review: Table 1.
published pages: 20161567, ISSN: 0962-8452, DOI: 10.1098/rspb.2016.1567
Proceedings of the Royal Society B: Biological Sciences 283/1843 2019-11-06
2017 Andrew N. Radford, Rick Bruintjes
Expanding the Link between Out-Group Threats and In-Group Behavior: (A Reply to Kavaliers and Choleris)
published pages: 459-462, ISSN: 0003-0147, DOI: 10.1086/690837
The American Naturalist 189/4 2019-11-06
2017 Julie M. Kern, Andrew N. Radford
Reduced social-information provision by immigrants and use by residents following dispersal
published pages: R1266-R1267, ISSN: 0960-9822, DOI: 10.1016/j.cub.2017.10.045
Current Biology 27/23 2019-11-06
2018 Patrick Kennedy, Andrew D. Higginson, Andrew N. Radford, Seirian Sumner
Altruism in a volatile world
published pages: 359-362, ISSN: 0028-0836, DOI: 10.1038/nature25965
Nature 555/7696 2019-11-06
2017 James A.R. Marshall, Gavin Brown, Andrew N. Radford
Individual Confidence-Weighting and Group Decision-Making
published pages: 636-645, ISSN: 0169-5347, DOI: 10.1016/j.tree.2017.06.004
Trends in Ecology & Evolution 32/9 2019-11-06
2017 R. Lee, A. Skinner, M.H. Bornstein, A.N. Radford, A. Campbell, K. Graham, R.M. Pearson
Through babies’ eyes: Practical and theoretical considerations of using wearable technology to measure parent–infant behaviour from the mothers’ and infants’ view points
published pages: 62-71, ISSN: 0163-6383, DOI: 10.1016/j.infbeh.2017.02.006
Infant Behavior and Development 47 2019-11-06
2018 Susanne Schindler, Andrew N. Radford
Factors influencing within-group conflict over defence against conspecific outsiders seeking breeding positions
published pages: 20181669, ISSN: 0962-8452, DOI: 10.1098/rspb.2018.1669
Proceedings of the Royal Society B: Biological Sciences 285/1893 2019-11-06
2018 Julie M. Kern, Andrew N. Radford
Experimental evidence for delayed contingent cooperation among wild dwarf mongooses
published pages: 6255-6260, ISSN: 0027-8424, DOI: 10.1073/pnas.1801000115
Proceedings of the National Academy of Sciences 115/24 2019-11-06

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