Title

Aggression and social experience in domesticated rats

Document Type

Article

Publication Date

2-1-1975

Abstract

Conducted an experiment with 48 male and 28 female Long-Evans rats. Small colonies were established, using adult Ss that had either received continuous social experience or had been isolated since weaning. Unfamiliar intruder rats-with or without postweaning social experience-were exposed individually to the colonies for a 21-hr period. Behavioral observations and an assessment of the intruder's physical condition indicated that serious fighting, physical injuries, and large weight losses occurred only when an isolation-reared intruder was placed into a colony of socially experienced Ss. Results demonstrate that aggression is a joint function of the rearing history of both the colony and the intruder and that social experience plays an important role in the behavioral development of this species. (24 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1975 American Psychological Association.

Publication Name

Journal of Comparative and Physiological Psychology

Volume Number

88

First Page

917

Last Page

923

Issue Number

2

DOI

10.1037/h0076439

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